156917821820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1\times {\mathrm{7793}}^1$

素因数の和:8571

約数の個数: 96

約数和(自身を含む): 347942117376

約数和(自身を除く): 191024295556

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 691, 940, 1382, 1457, 2764, 2914, 3455, 5828, 6910, 7285, 7793, 13820, 14570, 15586, 21421, 29140, 31172, 32477, 38965, 42842, 64954, 77930, 85684, 107105, 129908, 155860, 162385, 214210, 241583, 324770, 366271, 428420, 483166, 649540, 732542, 966332, 1006787, 1207915, 1465084, 1831355, 2013574, 2415830, 3662710, 4027148, 4831660, 5033935, 5384963, 7325420, 10067870, 10769926, 11354401, 20135740, 21539852, 22708802, 26924815, 45417604, 53849630, 56772005, 107699260, 113544010, 166933853, 227088020, 253093261, 333867706, 506186522, 667735412, 834669265, 1012373044, 1265466305, 1669338530, 2530932610, 3338677060, 5061865220, 7845891091, 15691782182, 31383564364, 39229455455, 78458910910, 156917821820]

約数ペア:

[(1, 156917821820), (2, 78458910910), (4, 39229455455), (5, 31383564364), (10, 15691782182), (20, 7845891091), (31, 5061865220), (47, 3338677060), (62, 2530932610), (94, 1669338530), (124, 1265466305), (155, 1012373044), (188, 834669265), (235, 667735412), (310, 506186522), (470, 333867706), (620, 253093261), (691, 227088020), (940, 166933853), (1382, 113544010), (1457, 107699260), (2764, 56772005), (2914, 53849630), (3455, 45417604), (5828, 26924815), (6910, 22708802), (7285, 21539852), (7793, 20135740), (13820, 11354401), (14570, 10769926), (15586, 10067870), (21421, 7325420), (29140, 5384963), (31172, 5033935), (32477, 4831660), (38965, 4027148), (42842, 3662710), (64954, 2415830), (77930, 2013574), (85684, 1831355), (107105, 1465084), (129908, 1207915), (155860, 1006787), (162385, 966332), (214210, 732542), (241583, 649540), (324770, 483166), (366271, 428420)]