179670620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{8663}}^1$

素因数の和:8750

約数の個数: 48

約数和(自身を含む): 406099008

約数和(自身を除く): 226428388

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 2074, 4148, 5185, 8663, 10370, 17326, 20740, 34652, 43315, 86630, 147271, 173260, 294542, 528443, 589084, 736355, 1056886, 1472710, 2113772, 2642215, 2945420, 5284430, 8983531, 10568860, 17967062, 35934124, 44917655, 89835310, 179670620]

約数ペア:

[(1, 179670620), (2, 89835310), (4, 44917655), (5, 35934124), (10, 17967062), (17, 10568860), (20, 8983531), (34, 5284430), (61, 2945420), (68, 2642215), (85, 2113772), (122, 1472710), (170, 1056886), (244, 736355), (305, 589084), (340, 528443), (610, 294542), (1037, 173260), (1220, 147271), (2074, 86630), (4148, 43315), (5185, 34652), (8663, 20740), (10370, 17326)]