4095990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:725

約数の個数: 48

約数和(自身を含む): 10816416

約数和(自身を除く): 6720426

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 641, 710, 1065, 1278, 1282, 1923, 2130, 3195, 3205, 3846, 5769, 6390, 6410, 9615, 11538, 19230, 28845, 45511, 57690, 91022, 136533, 227555, 273066, 409599, 455110, 682665, 819198, 1365330, 2047995, 4095990]

約数ペア:

[(1, 4095990), (2, 2047995), (3, 1365330), (5, 819198), (6, 682665), (9, 455110), (10, 409599), (15, 273066), (18, 227555), (30, 136533), (45, 91022), (71, 57690), (90, 45511), (142, 28845), (213, 19230), (355, 11538), (426, 9615), (639, 6410), (641, 6390), (710, 5769), (1065, 3846), (1278, 3205), (1282, 3195), (1923, 2130)]