845240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 2216160

約数和(自身を除く): 1370920

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 113, 136, 170, 187, 220, 226, 340, 374, 440, 452, 565, 680, 748, 904, 935, 1130, 1243, 1496, 1870, 1921, 2260, 2486, 3740, 3842, 4520, 4972, 6215, 7480, 7684, 9605, 9944, 12430, 15368, 19210, 21131, 24860, 38420, 42262, 49720, 76840, 84524, 105655, 169048, 211310, 422620, 845240]

約数ペア:

[(1, 845240), (2, 422620), (4, 211310), (5, 169048), (8, 105655), (10, 84524), (11, 76840), (17, 49720), (20, 42262), (22, 38420), (34, 24860), (40, 21131), (44, 19210), (55, 15368), (68, 12430), (85, 9944), (88, 9605), (110, 7684), (113, 7480), (136, 6215), (170, 4972), (187, 4520), (220, 3842), (226, 3740), (340, 2486), (374, 2260), (440, 1921), (452, 1870), (565, 1496), (680, 1243), (748, 1130), (904, 935)]