3988400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1$

素因数の和:103

約数の個数: 90

約数和(自身を含む): 10551780

約数和(自身を除く): 6563380

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 59, 65, 80, 100, 104, 118, 130, 169, 200, 208, 236, 260, 295, 325, 338, 400, 472, 520, 590, 650, 676, 767, 845, 944, 1040, 1180, 1300, 1352, 1475, 1534, 1690, 2360, 2600, 2704, 2950, 3068, 3380, 3835, 4225, 4720, 5200, 5900, 6136, 6760, 7670, 8450, 9971, 11800, 12272, 13520, 15340, 16900, 19175, 19942, 23600, 30680, 33800, 38350, 39884, 49855, 61360, 67600, 76700, 79768, 99710, 153400, 159536, 199420, 249275, 306800, 398840, 498550, 797680, 997100, 1994200, 3988400]

約数ペア:

[(1, 3988400), (2, 1994200), (4, 997100), (5, 797680), (8, 498550), (10, 398840), (13, 306800), (16, 249275), (20, 199420), (25, 159536), (26, 153400), (40, 99710), (50, 79768), (52, 76700), (59, 67600), (65, 61360), (80, 49855), (100, 39884), (104, 38350), (118, 33800), (130, 30680), (169, 23600), (200, 19942), (208, 19175), (236, 16900), (260, 15340), (295, 13520), (325, 12272), (338, 11800), (400, 9971), (472, 8450), (520, 7670), (590, 6760), (650, 6136), (676, 5900), (767, 5200), (845, 4720), (944, 4225), (1040, 3835), (1180, 3380), (1300, 3068), (1352, 2950), (1475, 2704), (1534, 2600), (1690, 2360)]