290570480

素因数分解:

$2^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{6361}}^1$

素因数の和:6945

約数の個数: 40

約数和(自身を含む): 676865904

約数和(自身を除く): 386295424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 571, 1142, 2284, 2855, 4568, 5710, 6361, 9136, 11420, 12722, 22840, 25444, 31805, 45680, 50888, 63610, 101776, 127220, 254440, 508880, 3632131, 7264262, 14528524, 18160655, 29057048, 36321310, 58114096, 72642620, 145285240, 290570480]

約数ペア:

[(1, 290570480), (2, 145285240), (4, 72642620), (5, 58114096), (8, 36321310), (10, 29057048), (16, 18160655), (20, 14528524), (40, 7264262), (80, 3632131), (571, 508880), (1142, 254440), (2284, 127220), (2855, 101776), (4568, 63610), (5710, 50888), (6361, 45680), (9136, 31805), (11420, 25444), (12722, 22840)]