31368740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 77220864

約数和(自身を除く): 45852124

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 47, 52, 65, 68, 85, 94, 130, 151, 170, 188, 221, 235, 260, 302, 340, 442, 470, 604, 611, 755, 799, 884, 940, 1105, 1222, 1510, 1598, 1963, 2210, 2444, 2567, 3020, 3055, 3196, 3926, 3995, 4420, 5134, 6110, 7097, 7852, 7990, 9815, 10268, 10387, 12220, 12835, 14194, 15980, 19630, 20774, 25670, 28388, 33371, 35485, 39260, 41548, 51340, 51935, 66742, 70970, 92261, 103870, 120649, 133484, 141940, 166855, 184522, 207740, 241298, 333710, 369044, 461305, 482596, 603245, 667420, 922610, 1206490, 1568437, 1845220, 2412980, 3136874, 6273748, 7842185, 15684370, 31368740]

約数ペア:

[(1, 31368740), (2, 15684370), (4, 7842185), (5, 6273748), (10, 3136874), (13, 2412980), (17, 1845220), (20, 1568437), (26, 1206490), (34, 922610), (47, 667420), (52, 603245), (65, 482596), (68, 461305), (85, 369044), (94, 333710), (130, 241298), (151, 207740), (170, 184522), (188, 166855), (221, 141940), (235, 133484), (260, 120649), (302, 103870), (340, 92261), (442, 70970), (470, 66742), (604, 51935), (611, 51340), (755, 41548), (799, 39260), (884, 35485), (940, 33371), (1105, 28388), (1222, 25670), (1510, 20774), (1598, 19630), (1963, 15980), (2210, 14194), (2444, 12835), (2567, 12220), (3020, 10387), (3055, 10268), (3196, 9815), (3926, 7990), (3995, 7852), (4420, 7097), (5134, 6110)]