174078040

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 399168000

約数和(自身を除く): 225089960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 139, 239, 262, 278, 478, 524, 556, 655, 695, 956, 1048, 1112, 1195, 1310, 1390, 1912, 2390, 2620, 2780, 4780, 5240, 5560, 9560, 18209, 31309, 33221, 36418, 62618, 66442, 72836, 91045, 125236, 132884, 145672, 156545, 166105, 182090, 250472, 265768, 313090, 332210, 364180, 626180, 664420, 728360, 1252360, 1328840, 4351951, 8703902, 17407804, 21759755, 34815608, 43519510, 87039020, 174078040]

約数ペア:

[(1, 174078040), (2, 87039020), (4, 43519510), (5, 34815608), (8, 21759755), (10, 17407804), (20, 8703902), (40, 4351951), (131, 1328840), (139, 1252360), (239, 728360), (262, 664420), (278, 626180), (478, 364180), (524, 332210), (556, 313090), (655, 265768), (695, 250472), (956, 182090), (1048, 166105), (1112, 156545), (1195, 145672), (1310, 132884), (1390, 125236), (1912, 91045), (2390, 72836), (2620, 66442), (2780, 62618), (4780, 36418), (5240, 33221), (5560, 31309), (9560, 18209)]