212419790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 430230528

約数和(自身を除く): 217810738

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 181, 227, 235, 362, 454, 470, 517, 905, 1034, 1135, 1810, 1991, 2270, 2497, 2585, 3982, 4994, 5170, 8507, 9955, 10669, 12485, 17014, 19910, 21338, 24970, 41087, 42535, 53345, 82174, 85070, 93577, 106690, 117359, 187154, 205435, 234718, 410870, 451957, 467885, 586795, 903914, 935770, 1173590, 1931089, 2259785, 3862178, 4519570, 9655445, 19310890, 21241979, 42483958, 106209895, 212419790]

約数ペア:

[(1, 212419790), (2, 106209895), (5, 42483958), (10, 21241979), (11, 19310890), (22, 9655445), (47, 4519570), (55, 3862178), (94, 2259785), (110, 1931089), (181, 1173590), (227, 935770), (235, 903914), (362, 586795), (454, 467885), (470, 451957), (517, 410870), (905, 234718), (1034, 205435), (1135, 187154), (1810, 117359), (1991, 106690), (2270, 93577), (2497, 85070), (2585, 82174), (3982, 53345), (4994, 42535), (5170, 41087), (8507, 24970), (9955, 21338), (10669, 19910), (12485, 17014)]