212587240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{673}}^1$

素因数の和:886

約数の個数: 64

約数和(自身を含む): 491346000

約数和(自身を除く): 278758760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 149, 212, 265, 298, 424, 530, 596, 673, 745, 1060, 1192, 1346, 1490, 2120, 2692, 2980, 3365, 5384, 5960, 6730, 7897, 13460, 15794, 26920, 31588, 35669, 39485, 63176, 71338, 78970, 100277, 142676, 157940, 178345, 200554, 285352, 315880, 356690, 401108, 501385, 713380, 802216, 1002770, 1426760, 2005540, 4011080, 5314681, 10629362, 21258724, 26573405, 42517448, 53146810, 106293620, 212587240]

約数ペア:

[(1, 212587240), (2, 106293620), (4, 53146810), (5, 42517448), (8, 26573405), (10, 21258724), (20, 10629362), (40, 5314681), (53, 4011080), (106, 2005540), (149, 1426760), (212, 1002770), (265, 802216), (298, 713380), (424, 501385), (530, 401108), (596, 356690), (673, 315880), (745, 285352), (1060, 200554), (1192, 178345), (1346, 157940), (1490, 142676), (2120, 100277), (2692, 78970), (2980, 71338), (3365, 63176), (5384, 39485), (5960, 35669), (6730, 31588), (7897, 26920), (13460, 15794)]