770440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 2021760

約数和(自身を除く): 1251320

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 103, 110, 136, 170, 187, 206, 220, 340, 374, 412, 440, 515, 680, 748, 824, 935, 1030, 1133, 1496, 1751, 1870, 2060, 2266, 3502, 3740, 4120, 4532, 5665, 7004, 7480, 8755, 9064, 11330, 14008, 17510, 19261, 22660, 35020, 38522, 45320, 70040, 77044, 96305, 154088, 192610, 385220, 770440]

約数ペア:

[(1, 770440), (2, 385220), (4, 192610), (5, 154088), (8, 96305), (10, 77044), (11, 70040), (17, 45320), (20, 38522), (22, 35020), (34, 22660), (40, 19261), (44, 17510), (55, 14008), (68, 11330), (85, 9064), (88, 8755), (103, 7480), (110, 7004), (136, 5665), (170, 4532), (187, 4120), (206, 3740), (220, 3502), (340, 2266), (374, 2060), (412, 1870), (440, 1751), (515, 1496), (680, 1133), (748, 1030), (824, 935)]