306800

素因数分解:

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

素因数の和:90

約数の個数: 60

約数和(自身を含む): 807240

約数和(自身を除く): 500440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 59, 65, 80, 100, 104, 118, 130, 200, 208, 236, 260, 295, 325, 400, 472, 520, 590, 650, 767, 944, 1040, 1180, 1300, 1475, 1534, 2360, 2600, 2950, 3068, 3835, 4720, 5200, 5900, 6136, 7670, 11800, 12272, 15340, 19175, 23600, 30680, 38350, 61360, 76700, 153400, 306800]

約数ペア:

[(1, 306800), (2, 153400), (4, 76700), (5, 61360), (8, 38350), (10, 30680), (13, 23600), (16, 19175), (20, 15340), (25, 12272), (26, 11800), (40, 7670), (50, 6136), (52, 5900), (59, 5200), (65, 4720), (80, 3835), (100, 3068), (104, 2950), (118, 2600), (130, 2360), (200, 1534), (208, 1475), (236, 1300), (260, 1180), (295, 1040), (325, 944), (400, 767), (472, 650), (520, 590)]