28825540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{569}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 64638000

約数和(自身を除く): 35812460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 298, 340, 569, 596, 745, 1138, 1490, 2276, 2533, 2845, 2980, 5066, 5690, 9673, 10132, 11380, 12665, 19346, 25330, 38692, 48365, 50660, 84781, 96730, 169562, 193460, 339124, 423905, 847810, 1441277, 1695620, 2882554, 5765108, 7206385, 14412770, 28825540]

約数ペア:

[(1, 28825540), (2, 14412770), (4, 7206385), (5, 5765108), (10, 2882554), (17, 1695620), (20, 1441277), (34, 847810), (68, 423905), (85, 339124), (149, 193460), (170, 169562), (298, 96730), (340, 84781), (569, 50660), (596, 48365), (745, 38692), (1138, 25330), (1490, 19346), (2276, 12665), (2533, 11380), (2845, 10132), (2980, 9673), (5066, 5690)]