18223400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 46976160

約数和(自身を除く): 28752760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 43, 50, 52, 65, 86, 100, 104, 130, 163, 172, 200, 215, 260, 325, 326, 344, 430, 520, 559, 650, 652, 815, 860, 1075, 1118, 1300, 1304, 1630, 1720, 2119, 2150, 2236, 2600, 2795, 3260, 4075, 4238, 4300, 4472, 5590, 6520, 7009, 8150, 8476, 8600, 10595, 11180, 13975, 14018, 16300, 16952, 21190, 22360, 27950, 28036, 32600, 35045, 42380, 52975, 55900, 56072, 70090, 84760, 91117, 105950, 111800, 140180, 175225, 182234, 211900, 280360, 350450, 364468, 423800, 455585, 700900, 728936, 911170, 1401800, 1822340, 2277925, 3644680, 4555850, 9111700, 18223400]

約数ペア:

[(1, 18223400), (2, 9111700), (4, 4555850), (5, 3644680), (8, 2277925), (10, 1822340), (13, 1401800), (20, 911170), (25, 728936), (26, 700900), (40, 455585), (43, 423800), (50, 364468), (52, 350450), (65, 280360), (86, 211900), (100, 182234), (104, 175225), (130, 140180), (163, 111800), (172, 105950), (200, 91117), (215, 84760), (260, 70090), (325, 56072), (326, 55900), (344, 52975), (430, 42380), (520, 35045), (559, 32600), (650, 28036), (652, 27950), (815, 22360), (860, 21190), (1075, 16952), (1118, 16300), (1300, 14018), (1304, 13975), (1630, 11180), (1720, 10595), (2119, 8600), (2150, 8476), (2236, 8150), (2600, 7009), (2795, 6520), (3260, 5590), (4075, 4472), (4238, 4300)]