2021817770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{2243}}^1$

素因数の和:2499

約数の個数: 64

約数和(自身を含む): 4239544320

約数和(自身を除く): 2217726550

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 163, 326, 395, 553, 790, 815, 1106, 1141, 1630, 2243, 2282, 2765, 4486, 5530, 5705, 11215, 11410, 12877, 15701, 22430, 25754, 31402, 64385, 78505, 90139, 128770, 157010, 177197, 180278, 354394, 365609, 450695, 731218, 885985, 901390, 1240379, 1771970, 1828045, 2480758, 2559263, 3656090, 5118526, 6201895, 12403790, 12796315, 25592630, 28883111, 57766222, 144415555, 202181777, 288831110, 404363554, 1010908885, 2021817770]

約数ペア:

[(1, 2021817770), (2, 1010908885), (5, 404363554), (7, 288831110), (10, 202181777), (14, 144415555), (35, 57766222), (70, 28883111), (79, 25592630), (158, 12796315), (163, 12403790), (326, 6201895), (395, 5118526), (553, 3656090), (790, 2559263), (815, 2480758), (1106, 1828045), (1141, 1771970), (1630, 1240379), (2243, 901390), (2282, 885985), (2765, 731218), (4486, 450695), (5530, 365609), (5705, 354394), (11215, 180278), (11410, 177197), (12877, 157010), (15701, 128770), (22430, 90139), (25754, 78505), (31402, 64385)]