201017690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 397229184

約数和(自身を除く): 196211494

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 107, 170, 214, 215, 257, 430, 514, 535, 731, 1070, 1285, 1462, 1819, 2570, 3638, 3655, 4369, 4601, 7310, 8738, 9095, 9202, 11051, 18190, 21845, 22102, 23005, 27499, 43690, 46010, 54998, 55255, 78217, 110510, 137495, 156434, 187867, 274990, 375734, 391085, 467483, 782170, 934966, 939335, 1182457, 1878670, 2337415, 2364914, 4674830, 5912285, 11824570, 20101769, 40203538, 100508845, 201017690]

約数ペア:

[(1, 201017690), (2, 100508845), (5, 40203538), (10, 20101769), (17, 11824570), (34, 5912285), (43, 4674830), (85, 2364914), (86, 2337415), (107, 1878670), (170, 1182457), (214, 939335), (215, 934966), (257, 782170), (430, 467483), (514, 391085), (535, 375734), (731, 274990), (1070, 187867), (1285, 156434), (1462, 137495), (1819, 110510), (2570, 78217), (3638, 55255), (3655, 54998), (4369, 46010), (4601, 43690), (7310, 27499), (8738, 23005), (9095, 22102), (9202, 21845), (11051, 18190)]