128420500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{859}}^1$

素因数の和:914

約数の個数: 96

約数和(自身を含む): 315544320

約数和(自身を除く): 187123820

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 46, 50, 52, 65, 92, 100, 115, 125, 130, 230, 250, 260, 299, 325, 460, 500, 575, 598, 650, 859, 1150, 1196, 1300, 1495, 1625, 1718, 2300, 2875, 2990, 3250, 3436, 4295, 5750, 5980, 6500, 7475, 8590, 11167, 11500, 14950, 17180, 19757, 21475, 22334, 29900, 37375, 39514, 42950, 44668, 55835, 74750, 79028, 85900, 98785, 107375, 111670, 149500, 197570, 214750, 223340, 256841, 279175, 395140, 429500, 493925, 513682, 558350, 987850, 1027364, 1116700, 1284205, 1395875, 1975700, 2469625, 2568410, 2791750, 4939250, 5136820, 5583500, 6421025, 9878500, 12842050, 25684100, 32105125, 64210250, 128420500]

約数ペア:

[(1, 128420500), (2, 64210250), (4, 32105125), (5, 25684100), (10, 12842050), (13, 9878500), (20, 6421025), (23, 5583500), (25, 5136820), (26, 4939250), (46, 2791750), (50, 2568410), (52, 2469625), (65, 1975700), (92, 1395875), (100, 1284205), (115, 1116700), (125, 1027364), (130, 987850), (230, 558350), (250, 513682), (260, 493925), (299, 429500), (325, 395140), (460, 279175), (500, 256841), (575, 223340), (598, 214750), (650, 197570), (859, 149500), (1150, 111670), (1196, 107375), (1300, 98785), (1495, 85900), (1625, 79028), (1718, 74750), (2300, 55835), (2875, 44668), (2990, 42950), (3250, 39514), (3436, 37375), (4295, 29900), (5750, 22334), (5980, 21475), (6500, 19757), (7475, 17180), (8590, 14950), (11167, 11500)]