78781850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 177417216

約数和(自身を除く): 98635366

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 53, 62, 70, 106, 137, 155, 175, 217, 265, 274, 310, 350, 371, 434, 530, 685, 742, 775, 959, 1085, 1325, 1370, 1550, 1643, 1855, 1918, 2170, 2650, 3286, 3425, 3710, 4247, 4795, 5425, 6850, 7261, 8215, 8494, 9275, 9590, 10850, 11501, 14522, 16430, 18550, 21235, 23002, 23975, 29729, 36305, 41075, 42470, 47950, 50827, 57505, 59458, 72610, 82150, 101654, 106175, 115010, 148645, 181525, 212350, 225091, 254135, 287525, 297290, 363050, 450182, 508270, 575050, 743225, 1125455, 1270675, 1486450, 1575637, 2250910, 2541350, 3151274, 5627275, 7878185, 11254550, 15756370, 39390925, 78781850]

約数ペア:

[(1, 78781850), (2, 39390925), (5, 15756370), (7, 11254550), (10, 7878185), (14, 5627275), (25, 3151274), (31, 2541350), (35, 2250910), (50, 1575637), (53, 1486450), (62, 1270675), (70, 1125455), (106, 743225), (137, 575050), (155, 508270), (175, 450182), (217, 363050), (265, 297290), (274, 287525), (310, 254135), (350, 225091), (371, 212350), (434, 181525), (530, 148645), (685, 115010), (742, 106175), (775, 101654), (959, 82150), (1085, 72610), (1325, 59458), (1370, 57505), (1550, 50827), (1643, 47950), (1855, 42470), (1918, 41075), (2170, 36305), (2650, 29729), (3286, 23975), (3425, 23002), (3710, 21235), (4247, 18550), (4795, 16430), (5425, 14522), (6850, 11501), (7261, 10850), (8215, 9590), (8494, 9275)]