611660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 1560384

約数和(自身を除く): 948724

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 257, 340, 476, 514, 595, 1028, 1190, 1285, 1799, 2380, 2570, 3598, 4369, 5140, 7196, 8738, 8995, 17476, 17990, 21845, 30583, 35980, 43690, 61166, 87380, 122332, 152915, 305830, 611660]

約数ペア:

[(1, 611660), (2, 305830), (4, 152915), (5, 122332), (7, 87380), (10, 61166), (14, 43690), (17, 35980), (20, 30583), (28, 21845), (34, 17990), (35, 17476), (68, 8995), (70, 8738), (85, 7196), (119, 5140), (140, 4369), (170, 3598), (238, 2570), (257, 2380), (340, 1799), (476, 1285), (514, 1190), (595, 1028)]