42903580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{491}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 95963616

約数和(自身を除く): 53060036

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 257, 340, 491, 514, 982, 1028, 1285, 1964, 2455, 2570, 4369, 4910, 5140, 8347, 8738, 9820, 16694, 17476, 21845, 33388, 41735, 43690, 83470, 87380, 126187, 166940, 252374, 504748, 630935, 1261870, 2145179, 2523740, 4290358, 8580716, 10725895, 21451790, 42903580]

約数ペア:

[(1, 42903580), (2, 21451790), (4, 10725895), (5, 8580716), (10, 4290358), (17, 2523740), (20, 2145179), (34, 1261870), (68, 630935), (85, 504748), (170, 252374), (257, 166940), (340, 126187), (491, 87380), (514, 83470), (982, 43690), (1028, 41735), (1285, 33388), (1964, 21845), (2455, 17476), (2570, 16694), (4369, 9820), (4910, 8738), (5140, 8347)]