2141480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 5460480

約数和(自身を除く): 3319000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 157, 220, 248, 310, 314, 341, 440, 620, 628, 682, 785, 1240, 1256, 1364, 1570, 1705, 1727, 2728, 3140, 3410, 3454, 4867, 6280, 6820, 6908, 8635, 9734, 13640, 13816, 17270, 19468, 24335, 34540, 38936, 48670, 53537, 69080, 97340, 107074, 194680, 214148, 267685, 428296, 535370, 1070740, 2141480]

約数ペア:

[(1, 2141480), (2, 1070740), (4, 535370), (5, 428296), (8, 267685), (10, 214148), (11, 194680), (20, 107074), (22, 97340), (31, 69080), (40, 53537), (44, 48670), (55, 38936), (62, 34540), (88, 24335), (110, 19468), (124, 17270), (155, 13816), (157, 13640), (220, 9734), (248, 8635), (310, 6908), (314, 6820), (341, 6280), (440, 4867), (620, 3454), (628, 3410), (682, 3140), (785, 2728), (1240, 1727), (1256, 1705), (1364, 1570)]