213565240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1669}}^1$

素因数の和:2144

約数の個数: 64

約数和(自身を含む): 550699200

約数和(自身を除く): 337133960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 457, 914, 1669, 1828, 2285, 3199, 3338, 3656, 4570, 6398, 6676, 8345, 9140, 11683, 12796, 13352, 15995, 16690, 18280, 23366, 25592, 31990, 33380, 46732, 58415, 63980, 66760, 93464, 116830, 127960, 233660, 467320, 762733, 1525466, 3050932, 3813665, 5339131, 6101864, 7627330, 10678262, 15254660, 21356524, 26695655, 30509320, 42713048, 53391310, 106782620, 213565240]

約数ペア:

[(1, 213565240), (2, 106782620), (4, 53391310), (5, 42713048), (7, 30509320), (8, 26695655), (10, 21356524), (14, 15254660), (20, 10678262), (28, 7627330), (35, 6101864), (40, 5339131), (56, 3813665), (70, 3050932), (140, 1525466), (280, 762733), (457, 467320), (914, 233660), (1669, 127960), (1828, 116830), (2285, 93464), (3199, 66760), (3338, 63980), (3656, 58415), (4570, 46732), (6398, 33380), (6676, 31990), (8345, 25592), (9140, 23366), (11683, 18280), (12796, 16690), (13352, 15995)]