212797480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1663}}^1$

素因数の和:2138

約数の個数: 64

約数和(自身を含む): 548720640

約数和(自身を除く): 335923160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 457, 914, 1663, 1828, 2285, 3199, 3326, 3656, 4570, 6398, 6652, 8315, 9140, 11641, 12796, 13304, 15995, 16630, 18280, 23282, 25592, 31990, 33260, 46564, 58205, 63980, 66520, 93128, 116410, 127960, 232820, 465640, 759991, 1519982, 3039964, 3799955, 5319937, 6079928, 7599910, 10639874, 15199820, 21279748, 26599685, 30399640, 42559496, 53199370, 106398740, 212797480]

約数ペア:

[(1, 212797480), (2, 106398740), (4, 53199370), (5, 42559496), (7, 30399640), (8, 26599685), (10, 21279748), (14, 15199820), (20, 10639874), (28, 7599910), (35, 6079928), (40, 5319937), (56, 3799955), (70, 3039964), (140, 1519982), (280, 759991), (457, 465640), (914, 232820), (1663, 127960), (1828, 116410), (2285, 93128), (3199, 66520), (3326, 63980), (3656, 58205), (4570, 46564), (6398, 33260), (6652, 31990), (8315, 25592), (9140, 23282), (11641, 18280), (12796, 16630), (13304, 15995)]