196754680

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{8831}}^1$

素因数の和:9399

約数の個数: 32

約数和(自身を含む): 443543040

約数和(自身を除く): 246788360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2785, 4456, 5570, 8831, 11140, 17662, 22280, 35324, 44155, 70648, 88310, 176620, 353240, 4918867, 9837734, 19675468, 24594335, 39350936, 49188670, 98377340, 196754680]

約数ペア:

[(1, 196754680), (2, 98377340), (4, 49188670), (5, 39350936), (8, 24594335), (10, 19675468), (20, 9837734), (40, 4918867), (557, 353240), (1114, 176620), (2228, 88310), (2785, 70648), (4456, 44155), (5570, 35324), (8831, 22280), (11140, 17662)]