179202920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{344621}}^1$

素因数の和:344645

約数の個数: 32

約数和(自身を含む): 434223720

約数和(自身を除く): 255020800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 344621, 689242, 1378484, 1723105, 2756968, 3446210, 4480073, 6892420, 8960146, 13784840, 17920292, 22400365, 35840584, 44800730, 89601460, 179202920]

約数ペア:

[(1, 179202920), (2, 89601460), (4, 44800730), (5, 35840584), (8, 22400365), (10, 17920292), (13, 13784840), (20, 8960146), (26, 6892420), (40, 4480073), (52, 3446210), (65, 2756968), (104, 1723105), (130, 1378484), (260, 689242), (520, 344621)]