254038980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{325691}}^1$

素因数の和:325716

約数の個数: 48

約数和(自身を含む): 766027584

約数和(自身を除く): 511988604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 325691, 651382, 977073, 1302764, 1628455, 1954146, 3256910, 3908292, 4233983, 4885365, 6513820, 8467966, 9770730, 12701949, 16935932, 19541460, 21169915, 25403898, 42339830, 50807796, 63509745, 84679660, 127019490, 254038980]

約数ペア:

[(1, 254038980), (2, 127019490), (3, 84679660), (4, 63509745), (5, 50807796), (6, 42339830), (10, 25403898), (12, 21169915), (13, 19541460), (15, 16935932), (20, 12701949), (26, 9770730), (30, 8467966), (39, 6513820), (52, 4885365), (60, 4233983), (65, 3908292), (78, 3256910), (130, 1954146), (156, 1628455), (195, 1302764), (260, 977073), (390, 651382), (780, 325691)]