858554420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1\times {\mathrm{2447}}^1$

素因数の和:2840

約数の個数: 48

約数和(自身を含む): 1843285248

約数和(自身を除く): 984730828

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 331, 530, 662, 1060, 1324, 1655, 2447, 3310, 4894, 6620, 9788, 12235, 17543, 24470, 35086, 48940, 70172, 87715, 129691, 175430, 259382, 350860, 518764, 648455, 809957, 1296910, 1619914, 2593820, 3239828, 4049785, 8099570, 16199140, 42927721, 85855442, 171710884, 214638605, 429277210, 858554420]

約数ペア:

[(1, 858554420), (2, 429277210), (4, 214638605), (5, 171710884), (10, 85855442), (20, 42927721), (53, 16199140), (106, 8099570), (212, 4049785), (265, 3239828), (331, 2593820), (530, 1619914), (662, 1296910), (1060, 809957), (1324, 648455), (1655, 518764), (2447, 350860), (3310, 259382), (4894, 175430), (6620, 129691), (9788, 87715), (12235, 70172), (17543, 48940), (24470, 35086)]