2019557500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:162

約数の個数: 240

約数和(自身を含む): 5124984480

約数和(自身を除く): 3105426980

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 41, 50, 61, 68, 76, 82, 85, 95, 100, 122, 125, 164, 170, 190, 205, 244, 250, 305, 323, 340, 380, 410, 425, 475, 500, 610, 625, 646, 697, 779, 820, 850, 950, 1025, 1037, 1159, 1220, 1250, 1292, 1394, 1525, 1558, 1615, 1700, 1900, 2050, 2074, 2125, 2318, 2375, 2500, 2501, 2788, 3050, 3116, 3230, 3485, 3895, 4100, 4148, 4250, 4636, 4750, 5002, 5125, 5185, 5795, 6100, 6460, 6970, 7625, 7790, 8075, 8500, 9500, 10004, 10250, 10370, 10625, 11590, 11875, 12505, 13243, 13940, 15250, 15580, 16150, 17425, 19475, 19703, 20500, 20740, 21250, 23180, 23750, 25010, 25625, 25925, 26486, 28975, 30500, 32300, 34850, 38125, 38950, 39406, 40375, 42500, 42517, 47500, 47519, 50020, 51250, 51850, 52972, 57950, 62525, 66215, 69700, 76250, 77900, 78812, 80750, 85034, 87125, 95038, 97375, 98515, 102500, 103700, 115900, 125050, 129625, 132430, 144875, 152500, 161500, 170068, 174250, 190076, 194750, 197030, 201875, 212585, 237595, 250100, 259250, 264860, 289750, 312625, 331075, 348500, 389500, 394060, 403750, 425170, 435625, 475190, 486875, 492575, 518500, 579500, 625250, 648125, 662150, 724375, 807500, 807823, 850340, 871250, 950380, 973750, 985150, 1062925, 1187975, 1250500, 1296250, 1324300, 1448750, 1563125, 1615646, 1655375, 1742500, 1947500, 1970300, 2125850, 2375950, 2462875, 2592500, 2897500, 3126250, 3231292, 3310750, 4039115, 4251700, 4751900, 4925750, 5314625, 5939875, 6252500, 6621500, 8078230, 8276875, 9851500, 10629250, 11879750, 12314375, 16156460, 16553750, 20195575, 21258500, 23759500, 24628750, 26573125, 29699375, 33107500, 40391150, 49257500, 53146250, 59398750, 80782300, 100977875, 106292500, 118797500, 201955750, 403911500, 504889375, 1009778750, 2019557500]

約数ペア:

[(1, 2019557500), (2, 1009778750), (4, 504889375), (5, 403911500), (10, 201955750), (17, 118797500), (19, 106292500), (20, 100977875), (25, 80782300), (34, 59398750), (38, 53146250), (41, 49257500), (50, 40391150), (61, 33107500), (68, 29699375), (76, 26573125), (82, 24628750), (85, 23759500), (95, 21258500), (100, 20195575), (122, 16553750), (125, 16156460), (164, 12314375), (170, 11879750), (190, 10629250), (205, 9851500), (244, 8276875), (250, 8078230), (305, 6621500), (323, 6252500), (340, 5939875), (380, 5314625), (410, 4925750), (425, 4751900), (475, 4251700), (500, 4039115), (610, 3310750), (625, 3231292), (646, 3126250), (697, 2897500), (779, 2592500), (820, 2462875), (850, 2375950), (950, 2125850), (1025, 1970300), (1037, 1947500), (1159, 1742500), (1220, 1655375), (1250, 1615646), (1292, 1563125), (1394, 1448750), (1525, 1324300), (1558, 1296250), (1615, 1250500), (1700, 1187975), (1900, 1062925), (2050, 985150), (2074, 973750), (2125, 950380), (2318, 871250), (2375, 850340), (2500, 807823), (2501, 807500), (2788, 724375), (3050, 662150), (3116, 648125), (3230, 625250), (3485, 579500), (3895, 518500), (4100, 492575), (4148, 486875), (4250, 475190), (4636, 435625), (4750, 425170), (5002, 403750), (5125, 394060), (5185, 389500), (5795, 348500), (6100, 331075), (6460, 312625), (6970, 289750), (7625, 264860), (7790, 259250), (8075, 250100), (8500, 237595), (9500, 212585), (10004, 201875), (10250, 197030), (10370, 194750), (10625, 190076), (11590, 174250), (11875, 170068), (12505, 161500), (13243, 152500), (13940, 144875), (15250, 132430), (15580, 129625), (16150, 125050), (17425, 115900), (19475, 103700), (19703, 102500), (20500, 98515), (20740, 97375), (21250, 95038), (23180, 87125), (23750, 85034), (25010, 80750), (25625, 78812), (25925, 77900), (26486, 76250), (28975, 69700), (30500, 66215), (32300, 62525), (34850, 57950), (38125, 52972), (38950, 51850), (39406, 51250), (40375, 50020), (42500, 47519), (42517, 47500)]