305830

素因数分解:

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

素因数の和:288

約数の個数: 32

約数和(自身を含む): 668736

約数和(自身を除く): 362906

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 257, 514, 595, 1190, 1285, 1799, 2570, 3598, 4369, 8738, 8995, 17990, 21845, 30583, 43690, 61166, 152915, 305830]

約数ペア:

[(1, 305830), (2, 152915), (5, 61166), (7, 43690), (10, 30583), (14, 21845), (17, 17990), (34, 8995), (35, 8738), (70, 4369), (85, 3598), (119, 2570), (170, 1799), (238, 1285), (257, 1190), (514, 595)]