31162870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 61272288

約数和(自身を除く): 30109418

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 263, 289, 410, 526, 578, 697, 1315, 1394, 1445, 2630, 2890, 3485, 4471, 6970, 8942, 10783, 11849, 21566, 22355, 23698, 44710, 53915, 59245, 76007, 107830, 118490, 152014, 183311, 366622, 380035, 760070, 916555, 1833110, 3116287, 6232574, 15581435, 31162870]

約数ペア:

[(1, 31162870), (2, 15581435), (5, 6232574), (10, 3116287), (17, 1833110), (34, 916555), (41, 760070), (82, 380035), (85, 366622), (170, 183311), (205, 152014), (263, 118490), (289, 107830), (410, 76007), (526, 59245), (578, 53915), (697, 44710), (1315, 23698), (1394, 22355), (1445, 21566), (2630, 11849), (2890, 10783), (3485, 8942), (4471, 6970)]