137689010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:975

約数の個数: 48

約数和(自身を含む): 267955776

約数和(自身を除く): 130266766

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 361, 430, 722, 817, 887, 1634, 1774, 1805, 3610, 4085, 4435, 8170, 8870, 15523, 16853, 31046, 33706, 38141, 76282, 77615, 84265, 155230, 168530, 190705, 320207, 381410, 640414, 724679, 1449358, 1601035, 3202070, 3623395, 7246790, 13768901, 27537802, 68844505, 137689010]

約数ペア:

[(1, 137689010), (2, 68844505), (5, 27537802), (10, 13768901), (19, 7246790), (38, 3623395), (43, 3202070), (86, 1601035), (95, 1449358), (190, 724679), (215, 640414), (361, 381410), (430, 320207), (722, 190705), (817, 168530), (887, 155230), (1634, 84265), (1774, 77615), (1805, 76282), (3610, 38141), (4085, 33706), (4435, 31046), (8170, 16853), (8870, 15523)]