289582460

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{1063}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 622593216

約数和(自身を除く): 333010756

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 257, 265, 514, 530, 1028, 1060, 1063, 1285, 2126, 2570, 4252, 5140, 5315, 10630, 13621, 21260, 27242, 54484, 56339, 68105, 112678, 136210, 225356, 272420, 273191, 281695, 546382, 563390, 1092764, 1126780, 1365955, 2731910, 5463820, 14479123, 28958246, 57916492, 72395615, 144791230, 289582460]

約数ペア:

[(1, 289582460), (2, 144791230), (4, 72395615), (5, 57916492), (10, 28958246), (20, 14479123), (53, 5463820), (106, 2731910), (212, 1365955), (257, 1126780), (265, 1092764), (514, 563390), (530, 546382), (1028, 281695), (1060, 273191), (1063, 272420), (1285, 225356), (2126, 136210), (2570, 112678), (4252, 68105), (5140, 56339), (5315, 54484), (10630, 27242), (13621, 21260)]