396440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:92

約数の個数: 64

約数和(自身を含む): 1049760

約数和(自身を除く): 653320

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 53, 55, 68, 85, 88, 106, 110, 136, 170, 187, 212, 220, 265, 340, 374, 424, 440, 530, 583, 680, 748, 901, 935, 1060, 1166, 1496, 1802, 1870, 2120, 2332, 2915, 3604, 3740, 4505, 4664, 5830, 7208, 7480, 9010, 9911, 11660, 18020, 19822, 23320, 36040, 39644, 49555, 79288, 99110, 198220, 396440]

約数ペア:

[(1, 396440), (2, 198220), (4, 99110), (5, 79288), (8, 49555), (10, 39644), (11, 36040), (17, 23320), (20, 19822), (22, 18020), (34, 11660), (40, 9911), (44, 9010), (53, 7480), (55, 7208), (68, 5830), (85, 4664), (88, 4505), (106, 3740), (110, 3604), (136, 2915), (170, 2332), (187, 2120), (212, 1870), (220, 1802), (265, 1496), (340, 1166), (374, 1060), (424, 935), (440, 901), (530, 748), (583, 680)]