331391240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:343

約数の個数: 96

約数和(自身を含む): 794678040

約数和(自身を除く): 463286800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 233, 248, 296, 310, 370, 466, 620, 740, 932, 961, 1147, 1165, 1240, 1480, 1864, 1922, 2294, 2330, 3844, 4588, 4660, 4805, 5735, 7223, 7688, 8621, 9176, 9320, 9610, 11470, 14446, 17242, 19220, 22940, 28892, 34484, 35557, 36115, 38440, 43105, 45880, 57784, 68968, 71114, 72230, 86210, 142228, 144460, 172420, 177785, 223913, 267251, 284456, 288920, 344840, 355570, 447826, 534502, 711140, 895652, 1069004, 1119565, 1336255, 1422280, 1791304, 2138008, 2239130, 2672510, 4478260, 5345020, 8284781, 8956520, 10690040, 16569562, 33139124, 41423905, 66278248, 82847810, 165695620, 331391240]

約数ペア:

[(1, 331391240), (2, 165695620), (4, 82847810), (5, 66278248), (8, 41423905), (10, 33139124), (20, 16569562), (31, 10690040), (37, 8956520), (40, 8284781), (62, 5345020), (74, 4478260), (124, 2672510), (148, 2239130), (155, 2138008), (185, 1791304), (233, 1422280), (248, 1336255), (296, 1119565), (310, 1069004), (370, 895652), (466, 711140), (620, 534502), (740, 447826), (932, 355570), (961, 344840), (1147, 288920), (1165, 284456), (1240, 267251), (1480, 223913), (1864, 177785), (1922, 172420), (2294, 144460), (2330, 142228), (3844, 86210), (4588, 72230), (4660, 71114), (4805, 68968), (5735, 57784), (7223, 45880), (7688, 43105), (8621, 38440), (9176, 36115), (9320, 35557), (9610, 34484), (11470, 28892), (14446, 22940), (17242, 19220)]