64971940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1301}}^1$

素因数の和:1548

約数の個数: 48

約数和(自身を含む): 149615424

約数和(自身を除く): 84643484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 227, 454, 908, 1135, 1301, 2270, 2497, 2602, 4540, 4994, 5204, 6505, 9988, 12485, 13010, 14311, 24970, 26020, 28622, 49940, 57244, 71555, 143110, 286220, 295327, 590654, 1181308, 1476635, 2953270, 3248597, 5906540, 6497194, 12994388, 16242985, 32485970, 64971940]

約数ペア:

[(1, 64971940), (2, 32485970), (4, 16242985), (5, 12994388), (10, 6497194), (11, 5906540), (20, 3248597), (22, 2953270), (44, 1476635), (55, 1181308), (110, 590654), (220, 295327), (227, 286220), (454, 143110), (908, 71555), (1135, 57244), (1301, 49940), (2270, 28622), (2497, 26020), (2602, 24970), (4540, 14311), (4994, 13010), (5204, 12485), (6505, 9988)]