31200440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2699}}^1$

素因数の和:2744

約数の個数: 48

約数和(自身を含む): 74601000

約数和(自身を除く): 43400560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2699, 2890, 5398, 5780, 10796, 11560, 13495, 21592, 26990, 45883, 53980, 91766, 107960, 183532, 229415, 367064, 458830, 780011, 917660, 1560022, 1835320, 3120044, 3900055, 6240088, 7800110, 15600220, 31200440]

約数ペア:

[(1, 31200440), (2, 15600220), (4, 7800110), (5, 6240088), (8, 3900055), (10, 3120044), (17, 1835320), (20, 1560022), (34, 917660), (40, 780011), (68, 458830), (85, 367064), (136, 229415), (170, 183532), (289, 107960), (340, 91766), (578, 53980), (680, 45883), (1156, 26990), (1445, 21592), (2312, 13495), (2699, 11560), (2890, 10796), (5398, 5780)]