249019280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{100411}}^1$

素因数の和:100455

約数の個数: 40

約数和(自身を含む): 597652224

約数和(自身を除く): 348632944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 100411, 200822, 401644, 502055, 803288, 1004110, 1606576, 2008220, 3112741, 4016440, 6225482, 8032880, 12450964, 15563705, 24901928, 31127410, 49803856, 62254820, 124509640, 249019280]

約数ペア:

[(1, 249019280), (2, 124509640), (4, 62254820), (5, 49803856), (8, 31127410), (10, 24901928), (16, 15563705), (20, 12450964), (31, 8032880), (40, 6225482), (62, 4016440), (80, 3112741), (124, 2008220), (155, 1606576), (248, 1004110), (310, 803288), (496, 502055), (620, 401644), (1240, 200822), (2480, 100411)]