7210940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 16783200

約数和(自身を除く): 9572260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 449, 730, 803, 898, 1460, 1606, 1796, 2245, 3212, 4015, 4490, 4939, 8030, 8980, 9878, 16060, 19756, 24695, 32777, 49390, 65554, 98780, 131108, 163885, 327770, 360547, 655540, 721094, 1442188, 1802735, 3605470, 7210940]

約数ペア:

[(1, 7210940), (2, 3605470), (4, 1802735), (5, 1442188), (10, 721094), (11, 655540), (20, 360547), (22, 327770), (44, 163885), (55, 131108), (73, 98780), (110, 65554), (146, 49390), (220, 32777), (292, 24695), (365, 19756), (449, 16060), (730, 9878), (803, 8980), (898, 8030), (1460, 4939), (1606, 4490), (1796, 4015), (2245, 3212)]