207740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:86

約数の個数: 48

約数和(自身を含む): 508032

約数和(自身を除く): 300292

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 47, 52, 65, 68, 85, 94, 130, 170, 188, 221, 235, 260, 340, 442, 470, 611, 799, 884, 940, 1105, 1222, 1598, 2210, 2444, 3055, 3196, 3995, 4420, 6110, 7990, 10387, 12220, 15980, 20774, 41548, 51935, 103870, 207740]

約数ペア:

[(1, 207740), (2, 103870), (4, 51935), (5, 41548), (10, 20774), (13, 15980), (17, 12220), (20, 10387), (26, 7990), (34, 6110), (47, 4420), (52, 3995), (65, 3196), (68, 3055), (85, 2444), (94, 2210), (130, 1598), (170, 1222), (188, 1105), (221, 940), (235, 884), (260, 799), (340, 611), (442, 470)]