877540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 2041200

約数和(自身を除く): 1163660

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 89, 116, 145, 170, 178, 290, 340, 356, 445, 493, 580, 890, 986, 1513, 1780, 1972, 2465, 2581, 3026, 4930, 5162, 6052, 7565, 9860, 10324, 12905, 15130, 25810, 30260, 43877, 51620, 87754, 175508, 219385, 438770, 877540]

約数ペア:

[(1, 877540), (2, 438770), (4, 219385), (5, 175508), (10, 87754), (17, 51620), (20, 43877), (29, 30260), (34, 25810), (58, 15130), (68, 12905), (85, 10324), (89, 9860), (116, 7565), (145, 6052), (170, 5162), (178, 4930), (290, 3026), (340, 2581), (356, 2465), (445, 1972), (493, 1780), (580, 1513), (890, 986)]