31354120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{941}}^1$

素因数の和:983

約数の個数: 96

約数和(自身を含む): 86984280

約数和(自身を除く): 55630160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 98, 119, 136, 140, 170, 196, 238, 245, 280, 340, 392, 476, 490, 595, 680, 833, 941, 952, 980, 1190, 1666, 1882, 1960, 2380, 3332, 3764, 4165, 4705, 4760, 6587, 6664, 7528, 8330, 9410, 13174, 15997, 16660, 18820, 26348, 31994, 32935, 33320, 37640, 46109, 52696, 63988, 65870, 79985, 92218, 111979, 127976, 131740, 159970, 184436, 223958, 230545, 263480, 319940, 368872, 447916, 461090, 559895, 639880, 783853, 895832, 922180, 1119790, 1567706, 1844360, 2239580, 3135412, 3919265, 4479160, 6270824, 7838530, 15677060, 31354120]

約数ペア:

[(1, 31354120), (2, 15677060), (4, 7838530), (5, 6270824), (7, 4479160), (8, 3919265), (10, 3135412), (14, 2239580), (17, 1844360), (20, 1567706), (28, 1119790), (34, 922180), (35, 895832), (40, 783853), (49, 639880), (56, 559895), (68, 461090), (70, 447916), (85, 368872), (98, 319940), (119, 263480), (136, 230545), (140, 223958), (170, 184436), (196, 159970), (238, 131740), (245, 127976), (280, 111979), (340, 92218), (392, 79985), (476, 65870), (490, 63988), (595, 52696), (680, 46109), (833, 37640), (941, 33320), (952, 32935), (980, 31994), (1190, 26348), (1666, 18820), (1882, 16660), (1960, 15997), (2380, 13174), (3332, 9410), (3764, 8330), (4165, 7528), (4705, 6664), (4760, 6587)]