1788390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:685

約数の個数: 48

約数和(自身を含む): 4807296

約数和(自身を除く): 3018906

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 641, 930, 1282, 1395, 1923, 2790, 3205, 3846, 5769, 6410, 9615, 11538, 19230, 19871, 28845, 39742, 57690, 59613, 99355, 119226, 178839, 198710, 298065, 357678, 596130, 894195, 1788390]

約数ペア:

[(1, 1788390), (2, 894195), (3, 596130), (5, 357678), (6, 298065), (9, 198710), (10, 178839), (15, 119226), (18, 99355), (30, 59613), (31, 57690), (45, 39742), (62, 28845), (90, 19871), (93, 19230), (155, 11538), (186, 9615), (279, 6410), (310, 5769), (465, 3846), (558, 3205), (641, 2790), (930, 1923), (1282, 1395)]