38309990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 73689264

約数和(自身を除く): 35379274

約数列:

[1, 2, 5, 10, 41, 43, 53, 82, 86, 106, 205, 215, 265, 410, 430, 530, 1681, 1763, 2173, 2279, 3362, 3526, 4346, 4558, 8405, 8815, 10865, 11395, 16810, 17630, 21730, 22790, 72283, 89093, 93439, 144566, 178186, 186878, 361415, 445465, 467195, 722830, 890930, 934390, 3830999, 7661998, 19154995, 38309990]

約数ペア:

[(1, 38309990), (2, 19154995), (5, 7661998), (10, 3830999), (41, 934390), (43, 890930), (53, 722830), (82, 467195), (86, 445465), (106, 361415), (205, 186878), (215, 178186), (265, 144566), (410, 93439), (430, 89093), (530, 72283), (1681, 22790), (1763, 21730), (2173, 17630), (2279, 16810), (3362, 11395), (3526, 10865), (4346, 8815), (4558, 8405)]