31670660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1901}}^1$

素因数の和:1941

約数の個数: 72

約数和(自身を含む): 81960984

約数和(自身を除く): 50290324

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 1901, 2380, 3332, 3802, 4165, 7604, 8330, 9505, 13307, 16660, 19010, 26614, 32317, 38020, 53228, 64634, 66535, 93149, 129268, 133070, 161585, 186298, 226219, 266140, 323170, 372596, 452438, 465745, 646340, 904876, 931490, 1131095, 1583533, 1862980, 2262190, 3167066, 4524380, 6334132, 7917665, 15835330, 31670660]

約数ペア:

[(1, 31670660), (2, 15835330), (4, 7917665), (5, 6334132), (7, 4524380), (10, 3167066), (14, 2262190), (17, 1862980), (20, 1583533), (28, 1131095), (34, 931490), (35, 904876), (49, 646340), (68, 465745), (70, 452438), (85, 372596), (98, 323170), (119, 266140), (140, 226219), (170, 186298), (196, 161585), (238, 133070), (245, 129268), (340, 93149), (476, 66535), (490, 64634), (595, 53228), (833, 38020), (980, 32317), (1190, 26614), (1666, 19010), (1901, 16660), (2380, 13307), (3332, 9505), (3802, 8330), (4165, 7604)]