31004770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 64540800

約数和(自身を除く): 33536030

約数列:

[1, 2, 5, 10, 17, 19, 29, 34, 38, 58, 85, 95, 145, 170, 190, 290, 323, 331, 493, 551, 646, 662, 986, 1102, 1615, 1655, 2465, 2755, 3230, 3310, 4930, 5510, 5627, 6289, 9367, 9599, 11254, 12578, 18734, 19198, 28135, 31445, 46835, 47995, 56270, 62890, 93670, 95990, 106913, 163183, 182381, 213826, 326366, 364762, 534565, 815915, 911905, 1069130, 1631830, 1823810, 3100477, 6200954, 15502385, 31004770]

約数ペア:

[(1, 31004770), (2, 15502385), (5, 6200954), (10, 3100477), (17, 1823810), (19, 1631830), (29, 1069130), (34, 911905), (38, 815915), (58, 534565), (85, 364762), (95, 326366), (145, 213826), (170, 182381), (190, 163183), (290, 106913), (323, 95990), (331, 93670), (493, 62890), (551, 56270), (646, 47995), (662, 46835), (986, 31445), (1102, 28135), (1615, 19198), (1655, 18734), (2465, 12578), (2755, 11254), (3230, 9599), (3310, 9367), (4930, 6289), (5510, 5627)]