20181207800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{691}}^1$

素因数の和:1006

約数の個数: 192

約数和(自身を含む): 51896678400

約数和(自身を除く): 31715470600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 47, 50, 52, 65, 94, 100, 104, 130, 188, 200, 235, 239, 260, 325, 376, 470, 478, 520, 611, 650, 691, 940, 956, 1175, 1195, 1222, 1300, 1382, 1880, 1912, 2350, 2390, 2444, 2600, 2764, 3055, 3107, 3455, 4700, 4780, 4888, 5528, 5975, 6110, 6214, 6910, 8983, 9400, 9560, 11233, 11950, 12220, 12428, 13820, 15275, 15535, 17275, 17966, 22466, 23900, 24440, 24856, 27640, 30550, 31070, 32477, 34550, 35932, 44915, 44932, 47800, 56165, 61100, 62140, 64954, 69100, 71864, 77675, 89830, 89864, 112330, 122200, 124280, 129908, 138200, 146029, 155350, 162385, 165149, 179660, 224575, 224660, 259816, 280825, 292058, 310700, 324770, 330298, 359320, 422201, 449150, 449320, 561650, 584116, 621400, 649540, 660596, 730145, 811925, 825745, 844402, 898300, 1123300, 1168232, 1299080, 1321192, 1460290, 1623850, 1651490, 1688804, 1796600, 2111005, 2146937, 2246600, 2920580, 3247700, 3302980, 3377608, 3650725, 4128725, 4222010, 4293874, 5841160, 6495400, 6605960, 7301450, 7762003, 8257450, 8444020, 8587748, 10555025, 10734685, 14602900, 15524006, 16514900, 16888040, 17175496, 21110050, 21469370, 29205800, 31048012, 33029800, 38810015, 42220100, 42938740, 53673425, 62096024, 77620030, 84440200, 85877480, 100906039, 107346850, 155240060, 194050075, 201812078, 214693700, 310480120, 388100150, 403624156, 429387400, 504530195, 776200300, 807248312, 1009060390, 1552400600, 2018120780, 2522650975, 4036241560, 5045301950, 10090603900, 20181207800]

約数ペア:

[(1, 20181207800), (2, 10090603900), (4, 5045301950), (5, 4036241560), (8, 2522650975), (10, 2018120780), (13, 1552400600), (20, 1009060390), (25, 807248312), (26, 776200300), (40, 504530195), (47, 429387400), (50, 403624156), (52, 388100150), (65, 310480120), (94, 214693700), (100, 201812078), (104, 194050075), (130, 155240060), (188, 107346850), (200, 100906039), (235, 85877480), (239, 84440200), (260, 77620030), (325, 62096024), (376, 53673425), (470, 42938740), (478, 42220100), (520, 38810015), (611, 33029800), (650, 31048012), (691, 29205800), (940, 21469370), (956, 21110050), (1175, 17175496), (1195, 16888040), (1222, 16514900), (1300, 15524006), (1382, 14602900), (1880, 10734685), (1912, 10555025), (2350, 8587748), (2390, 8444020), (2444, 8257450), (2600, 7762003), (2764, 7301450), (3055, 6605960), (3107, 6495400), (3455, 5841160), (4700, 4293874), (4780, 4222010), (4888, 4128725), (5528, 3650725), (5975, 3377608), (6110, 3302980), (6214, 3247700), (6910, 2920580), (8983, 2246600), (9400, 2146937), (9560, 2111005), (11233, 1796600), (11950, 1688804), (12220, 1651490), (12428, 1623850), (13820, 1460290), (15275, 1321192), (15535, 1299080), (17275, 1168232), (17966, 1123300), (22466, 898300), (23900, 844402), (24440, 825745), (24856, 811925), (27640, 730145), (30550, 660596), (31070, 649540), (32477, 621400), (34550, 584116), (35932, 561650), (44915, 449320), (44932, 449150), (47800, 422201), (56165, 359320), (61100, 330298), (62140, 324770), (64954, 310700), (69100, 292058), (71864, 280825), (77675, 259816), (89830, 224660), (89864, 224575), (112330, 179660), (122200, 165149), (124280, 162385), (129908, 155350), (138200, 146029)]