30813250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 65520000

約数和(自身を除く): 34706750

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 125, 130, 190, 247, 250, 325, 475, 494, 499, 650, 950, 998, 1235, 1625, 2375, 2470, 2495, 3250, 4750, 4990, 6175, 6487, 9481, 12350, 12475, 12974, 18962, 24950, 30875, 32435, 47405, 61750, 62375, 64870, 94810, 123253, 124750, 162175, 237025, 246506, 324350, 474050, 616265, 810875, 1185125, 1232530, 1621750, 2370250, 3081325, 6162650, 15406625, 30813250]

約数ペア:

[(1, 30813250), (2, 15406625), (5, 6162650), (10, 3081325), (13, 2370250), (19, 1621750), (25, 1232530), (26, 1185125), (38, 810875), (50, 616265), (65, 474050), (95, 324350), (125, 246506), (130, 237025), (190, 162175), (247, 124750), (250, 123253), (325, 94810), (475, 64870), (494, 62375), (499, 61750), (650, 47405), (950, 32435), (998, 30875), (1235, 24950), (1625, 18962), (2375, 12974), (2470, 12475), (2495, 12350), (3250, 9481), (4750, 6487), (4990, 6175)]