143909740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1321}}^1$

素因数の和:1762

約数の個数: 48

約数和(自身を含む): 326481120

約数和(自身を除く): 182571380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 419, 838, 1321, 1676, 2095, 2642, 4190, 5284, 5447, 6605, 8380, 10894, 13210, 17173, 21788, 26420, 27235, 34346, 54470, 68692, 85865, 108940, 171730, 343460, 553499, 1106998, 2213996, 2767495, 5534990, 7195487, 11069980, 14390974, 28781948, 35977435, 71954870, 143909740]

約数ペア:

[(1, 143909740), (2, 71954870), (4, 35977435), (5, 28781948), (10, 14390974), (13, 11069980), (20, 7195487), (26, 5534990), (52, 2767495), (65, 2213996), (130, 1106998), (260, 553499), (419, 343460), (838, 171730), (1321, 108940), (1676, 85865), (2095, 68692), (2642, 54470), (4190, 34346), (5284, 27235), (5447, 26420), (6605, 21788), (8380, 17173), (10894, 13210)]