19802257500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1607}}^1$

素因数の和:1718

約数の個数: 240

約数和(自身を含む): 60762949632

約数和(自身を除く): 40960692132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 53, 60, 62, 75, 93, 100, 106, 124, 125, 150, 155, 159, 186, 212, 250, 265, 300, 310, 318, 372, 375, 465, 500, 530, 620, 625, 636, 750, 775, 795, 930, 1060, 1250, 1325, 1500, 1550, 1590, 1607, 1643, 1860, 1875, 2325, 2500, 2650, 3100, 3180, 3214, 3286, 3750, 3875, 3975, 4650, 4821, 4929, 5300, 6428, 6572, 6625, 7500, 7750, 7950, 8035, 8215, 9300, 9642, 9858, 11625, 13250, 15500, 15900, 16070, 16430, 19284, 19375, 19716, 19875, 23250, 24105, 24645, 26500, 32140, 32860, 33125, 38750, 39750, 40175, 41075, 46500, 48210, 49290, 49817, 58125, 66250, 77500, 79500, 80350, 82150, 85171, 96420, 98580, 99375, 99634, 116250, 120525, 123225, 132500, 149451, 160700, 164300, 170342, 198750, 199268, 200875, 205375, 232500, 241050, 246450, 249085, 255513, 298902, 340684, 397500, 401750, 410750, 425855, 482100, 492900, 498170, 511026, 597804, 602625, 616125, 747255, 803500, 821500, 851710, 996340, 1004375, 1022052, 1026875, 1205250, 1232250, 1245425, 1277565, 1494510, 1703420, 2008750, 2053750, 2129275, 2410500, 2464500, 2490850, 2555130, 2640301, 2989020, 3013125, 3080625, 3736275, 4017500, 4107500, 4258550, 4981700, 5110260, 5280602, 6026250, 6161250, 6227125, 6387825, 7472550, 7920903, 8517100, 10561204, 10646375, 12052500, 12322500, 12454250, 12775650, 13201505, 14945100, 15841806, 18681375, 21292750, 24908500, 25551300, 26403010, 31135625, 31683612, 31939125, 37362750, 39604515, 42585500, 52806020, 53231875, 62271250, 63878250, 66007525, 74725500, 79209030, 93406875, 106463750, 124542500, 127756500, 132015050, 158418060, 159695625, 186813750, 198022575, 212927500, 264030100, 319391250, 330037625, 373627500, 396045150, 638782500, 660075250, 792090300, 990112875, 1320150500, 1650188125, 1980225750, 3300376250, 3960451500, 4950564375, 6600752500, 9901128750, 19802257500]

約数ペア:

[(1, 19802257500), (2, 9901128750), (3, 6600752500), (4, 4950564375), (5, 3960451500), (6, 3300376250), (10, 1980225750), (12, 1650188125), (15, 1320150500), (20, 990112875), (25, 792090300), (30, 660075250), (31, 638782500), (50, 396045150), (53, 373627500), (60, 330037625), (62, 319391250), (75, 264030100), (93, 212927500), (100, 198022575), (106, 186813750), (124, 159695625), (125, 158418060), (150, 132015050), (155, 127756500), (159, 124542500), (186, 106463750), (212, 93406875), (250, 79209030), (265, 74725500), (300, 66007525), (310, 63878250), (318, 62271250), (372, 53231875), (375, 52806020), (465, 42585500), (500, 39604515), (530, 37362750), (620, 31939125), (625, 31683612), (636, 31135625), (750, 26403010), (775, 25551300), (795, 24908500), (930, 21292750), (1060, 18681375), (1250, 15841806), (1325, 14945100), (1500, 13201505), (1550, 12775650), (1590, 12454250), (1607, 12322500), (1643, 12052500), (1860, 10646375), (1875, 10561204), (2325, 8517100), (2500, 7920903), (2650, 7472550), (3100, 6387825), (3180, 6227125), (3214, 6161250), (3286, 6026250), (3750, 5280602), (3875, 5110260), (3975, 4981700), (4650, 4258550), (4821, 4107500), (4929, 4017500), (5300, 3736275), (6428, 3080625), (6572, 3013125), (6625, 2989020), (7500, 2640301), (7750, 2555130), (7950, 2490850), (8035, 2464500), (8215, 2410500), (9300, 2129275), (9642, 2053750), (9858, 2008750), (11625, 1703420), (13250, 1494510), (15500, 1277565), (15900, 1245425), (16070, 1232250), (16430, 1205250), (19284, 1026875), (19375, 1022052), (19716, 1004375), (19875, 996340), (23250, 851710), (24105, 821500), (24645, 803500), (26500, 747255), (32140, 616125), (32860, 602625), (33125, 597804), (38750, 511026), (39750, 498170), (40175, 492900), (41075, 482100), (46500, 425855), (48210, 410750), (49290, 401750), (49817, 397500), (58125, 340684), (66250, 298902), (77500, 255513), (79500, 249085), (80350, 246450), (82150, 241050), (85171, 232500), (96420, 205375), (98580, 200875), (99375, 199268), (99634, 198750), (116250, 170342), (120525, 164300), (123225, 160700), (132500, 149451)]