663714040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{137131}}^1$

素因数の和:137164

約数の個数: 48

約数和(自身を含む): 1641470040

約数和(自身を除く): 977756000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 137131, 274262, 548524, 685655, 1097048, 1371310, 1508441, 2742620, 3016882, 5485240, 6033764, 7542205, 12067528, 15084410, 16592851, 30168820, 33185702, 60337640, 66371404, 82964255, 132742808, 165928510, 331857020, 663714040]

約数ペア:

[(1, 663714040), (2, 331857020), (4, 165928510), (5, 132742808), (8, 82964255), (10, 66371404), (11, 60337640), (20, 33185702), (22, 30168820), (40, 16592851), (44, 15084410), (55, 12067528), (88, 7542205), (110, 6033764), (121, 5485240), (220, 3016882), (242, 2742620), (440, 1508441), (484, 1371310), (605, 1097048), (968, 685655), (1210, 548524), (2420, 274262), (4840, 137131)]