42156770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 84395520

約数和(自身を除く): 42238750

約数列:

[1, 2, 5, 10, 17, 34, 43, 73, 79, 85, 86, 146, 158, 170, 215, 365, 395, 430, 730, 731, 790, 1241, 1343, 1462, 2482, 2686, 3139, 3397, 3655, 5767, 6205, 6278, 6715, 6794, 7310, 11534, 12410, 13430, 15695, 16985, 28835, 31390, 33970, 53363, 57670, 57749, 98039, 106726, 115498, 196078, 247981, 266815, 288745, 490195, 495962, 533630, 577490, 980390, 1239905, 2479810, 4215677, 8431354, 21078385, 42156770]

約数ペア:

[(1, 42156770), (2, 21078385), (5, 8431354), (10, 4215677), (17, 2479810), (34, 1239905), (43, 980390), (73, 577490), (79, 533630), (85, 495962), (86, 490195), (146, 288745), (158, 266815), (170, 247981), (215, 196078), (365, 115498), (395, 106726), (430, 98039), (730, 57749), (731, 57670), (790, 53363), (1241, 33970), (1343, 31390), (1462, 28835), (2482, 16985), (2686, 15695), (3139, 13430), (3397, 12410), (3655, 11534), (5767, 7310), (6205, 6794), (6278, 6715)]