1216377890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{8971}}^1$

素因数の和:9147

約数の個数: 64

約数和(自身を含む): 2713132800

約数和(自身を除く): 1496754910

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 149, 182, 298, 455, 745, 910, 1043, 1490, 1937, 2086, 3874, 5215, 8971, 9685, 10430, 13559, 17942, 19370, 27118, 44855, 62797, 67795, 89710, 116623, 125594, 135590, 233246, 313985, 583115, 627970, 816361, 1166230, 1336679, 1632722, 2673358, 4081805, 6683395, 8163610, 9356753, 13366790, 17376827, 18713506, 34753654, 46783765, 86884135, 93567530, 121637789, 173768270, 243275578, 608188945, 1216377890]

約数ペア:

[(1, 1216377890), (2, 608188945), (5, 243275578), (7, 173768270), (10, 121637789), (13, 93567530), (14, 86884135), (26, 46783765), (35, 34753654), (65, 18713506), (70, 17376827), (91, 13366790), (130, 9356753), (149, 8163610), (182, 6683395), (298, 4081805), (455, 2673358), (745, 1632722), (910, 1336679), (1043, 1166230), (1490, 816361), (1937, 627970), (2086, 583115), (3874, 313985), (5215, 233246), (8971, 135590), (9685, 125594), (10430, 116623), (13559, 89710), (17942, 67795), (19370, 62797), (27118, 44855)]