387657660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{496997}}^1$

素因数の和:497022

約数の個数: 48

約数和(自身を含む): 1168939296

約数和(自身を除く): 781281636

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, 496997, 993994, 1490991, 1987988, 2484985, 2981982, 4969970, 5963964, 6460961, 7454955, 9939940, 12921922, 14909910, 19382883, 25843844, 29819820, 32304805, 38765766, 64609610, 77531532, 96914415, 129219220, 193828830, 387657660]

約数ペア:

[(1, 387657660), (2, 193828830), (3, 129219220), (4, 96914415), (5, 77531532), (6, 64609610), (10, 38765766), (12, 32304805), (13, 29819820), (15, 25843844), (20, 19382883), (26, 14909910), (30, 12921922), (39, 9939940), (52, 7454955), (60, 6460961), (65, 5963964), (78, 4969970), (130, 2981982), (156, 2484985), (195, 1987988), (260, 1490991), (390, 993994), (780, 496997)]