2840500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:74

約数の個数: 96

約数和(自身を含む): 7338240

約数和(自身を除く): 4497740

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 23, 25, 26, 38, 46, 50, 52, 65, 76, 92, 95, 100, 115, 125, 130, 190, 230, 247, 250, 260, 299, 325, 380, 437, 460, 475, 494, 500, 575, 598, 650, 874, 950, 988, 1150, 1196, 1235, 1300, 1495, 1625, 1748, 1900, 2185, 2300, 2375, 2470, 2875, 2990, 3250, 4370, 4750, 4940, 5681, 5750, 5980, 6175, 6500, 7475, 8740, 9500, 10925, 11362, 11500, 12350, 14950, 21850, 22724, 24700, 28405, 29900, 30875, 37375, 43700, 54625, 56810, 61750, 74750, 109250, 113620, 123500, 142025, 149500, 218500, 284050, 568100, 710125, 1420250, 2840500]

約数ペア:

[(1, 2840500), (2, 1420250), (4, 710125), (5, 568100), (10, 284050), (13, 218500), (19, 149500), (20, 142025), (23, 123500), (25, 113620), (26, 109250), (38, 74750), (46, 61750), (50, 56810), (52, 54625), (65, 43700), (76, 37375), (92, 30875), (95, 29900), (100, 28405), (115, 24700), (125, 22724), (130, 21850), (190, 14950), (230, 12350), (247, 11500), (250, 11362), (260, 10925), (299, 9500), (325, 8740), (380, 7475), (437, 6500), (460, 6175), (475, 5980), (494, 5750), (500, 5681), (575, 4940), (598, 4750), (650, 4370), (874, 3250), (950, 2990), (988, 2875), (1150, 2470), (1196, 2375), (1235, 2300), (1300, 2185), (1495, 1900), (1625, 1748)]