75489940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1439}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 164989440

約数和(自身を除く): 89499500

約数列:

[1, 2, 4, 5, 10, 20, 43, 61, 86, 122, 172, 215, 244, 305, 430, 610, 860, 1220, 1439, 2623, 2878, 5246, 5756, 7195, 10492, 13115, 14390, 26230, 28780, 52460, 61877, 87779, 123754, 175558, 247508, 309385, 351116, 438895, 618770, 877790, 1237540, 1755580, 3774497, 7548994, 15097988, 18872485, 37744970, 75489940]

約数ペア:

[(1, 75489940), (2, 37744970), (4, 18872485), (5, 15097988), (10, 7548994), (20, 3774497), (43, 1755580), (61, 1237540), (86, 877790), (122, 618770), (172, 438895), (215, 351116), (244, 309385), (305, 247508), (430, 175558), (610, 123754), (860, 87779), (1220, 61877), (1439, 52460), (2623, 28780), (2878, 26230), (5246, 14390), (5756, 13115), (7195, 10492)]