734176840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{3361}}^1$

素因数の和:3542

約数の個数: 64

約数和(自身を含む): 1704130560

約数和(自身を除く): 969953720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 127, 172, 215, 254, 344, 430, 508, 635, 860, 1016, 1270, 1720, 2540, 3361, 5080, 5461, 6722, 10922, 13444, 16805, 21844, 26888, 27305, 33610, 43688, 54610, 67220, 109220, 134440, 144523, 218440, 289046, 426847, 578092, 722615, 853694, 1156184, 1445230, 1707388, 2134235, 2890460, 3414776, 4268470, 5780920, 8536940, 17073880, 18354421, 36708842, 73417684, 91772105, 146835368, 183544210, 367088420, 734176840]

約数ペア:

[(1, 734176840), (2, 367088420), (4, 183544210), (5, 146835368), (8, 91772105), (10, 73417684), (20, 36708842), (40, 18354421), (43, 17073880), (86, 8536940), (127, 5780920), (172, 4268470), (215, 3414776), (254, 2890460), (344, 2134235), (430, 1707388), (508, 1445230), (635, 1156184), (860, 853694), (1016, 722615), (1270, 578092), (1720, 426847), (2540, 289046), (3361, 218440), (5080, 144523), (5461, 134440), (6722, 109220), (10922, 67220), (13444, 54610), (16805, 43688), (21844, 33610), (26888, 27305)]