1389604190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:454

約数の個数: 96

約数和(自身を含む): 2829888576

約数和(自身を除く): 1440284386

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 71, 74, 130, 142, 169, 185, 313, 338, 355, 370, 481, 626, 710, 845, 923, 962, 1565, 1690, 1846, 2405, 2627, 3130, 4069, 4615, 4810, 5254, 6253, 8138, 9230, 11581, 11999, 12506, 13135, 20345, 22223, 23162, 23998, 26270, 31265, 34151, 40690, 44446, 52897, 57905, 59995, 62530, 68302, 105794, 111115, 115810, 119990, 150553, 170755, 222230, 264485, 288899, 301106, 341510, 443963, 528970, 577798, 752765, 822251, 887926, 1444495, 1505530, 1644502, 1957189, 2219815, 2888990, 3755687, 3914378, 4111255, 4439630, 7511374, 8222510, 9785945, 10689263, 18778435, 19571890, 21378526, 37556870, 53446315, 106892630, 138960419, 277920838, 694802095, 1389604190]

約数ペア:

[(1, 1389604190), (2, 694802095), (5, 277920838), (10, 138960419), (13, 106892630), (26, 53446315), (37, 37556870), (65, 21378526), (71, 19571890), (74, 18778435), (130, 10689263), (142, 9785945), (169, 8222510), (185, 7511374), (313, 4439630), (338, 4111255), (355, 3914378), (370, 3755687), (481, 2888990), (626, 2219815), (710, 1957189), (845, 1644502), (923, 1505530), (962, 1444495), (1565, 887926), (1690, 822251), (1846, 752765), (2405, 577798), (2627, 528970), (3130, 443963), (4069, 341510), (4615, 301106), (4810, 288899), (5254, 264485), (6253, 222230), (8138, 170755), (9230, 150553), (11581, 119990), (11999, 115810), (12506, 111115), (13135, 105794), (20345, 68302), (22223, 62530), (23162, 59995), (23998, 57905), (26270, 52897), (31265, 44446), (34151, 40690)]