168243400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{64709}}^1$

素因数の和:64738

約数の個数: 48

約数和(自身を含む): 421262100

約数和(自身を除く): 253018700

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 64709, 129418, 258836, 323545, 517672, 647090, 841217, 1294180, 1617725, 1682434, 2588360, 3235450, 3364868, 4206085, 6470900, 6729736, 8412170, 12941800, 16824340, 21030425, 33648680, 42060850, 84121700, 168243400]

約数ペア:

[(1, 168243400), (2, 84121700), (4, 42060850), (5, 33648680), (8, 21030425), (10, 16824340), (13, 12941800), (20, 8412170), (25, 6729736), (26, 6470900), (40, 4206085), (50, 3364868), (52, 3235450), (65, 2588360), (100, 1682434), (104, 1617725), (130, 1294180), (200, 841217), (260, 647090), (325, 517672), (520, 323545), (650, 258836), (1300, 129418), (2600, 64709)]