221916390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{631}}^1$

素因数の和:1277

約数の個数: 64

約数和(自身を含む): 562429440

約数和(自身を除く): 340513050

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 617, 631, 1234, 1262, 1851, 1893, 3085, 3155, 3702, 3786, 6170, 6310, 9255, 9465, 11723, 11989, 18510, 18930, 23446, 23978, 35169, 35967, 58615, 59945, 70338, 71934, 117230, 119890, 175845, 179835, 351690, 359670, 389327, 778654, 1167981, 1946635, 2335962, 3893270, 5839905, 7397213, 11679810, 14794426, 22191639, 36986065, 44383278, 73972130, 110958195, 221916390]

約数ペア:

[(1, 221916390), (2, 110958195), (3, 73972130), (5, 44383278), (6, 36986065), (10, 22191639), (15, 14794426), (19, 11679810), (30, 7397213), (38, 5839905), (57, 3893270), (95, 2335962), (114, 1946635), (190, 1167981), (285, 778654), (570, 389327), (617, 359670), (631, 351690), (1234, 179835), (1262, 175845), (1851, 119890), (1893, 117230), (3085, 71934), (3155, 70338), (3702, 59945), (3786, 58615), (6170, 35967), (6310, 35169), (9255, 23978), (9465, 23446), (11723, 18930), (11989, 18510)]