5121340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 12422592

約数和(自身を除く): 7301252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 233, 314, 466, 628, 785, 932, 1099, 1165, 1570, 1631, 2198, 2330, 3140, 3262, 4396, 4660, 5495, 6524, 8155, 10990, 16310, 21980, 32620, 36581, 73162, 146324, 182905, 256067, 365810, 512134, 731620, 1024268, 1280335, 2560670, 5121340]

約数ペア:

[(1, 5121340), (2, 2560670), (4, 1280335), (5, 1024268), (7, 731620), (10, 512134), (14, 365810), (20, 256067), (28, 182905), (35, 146324), (70, 73162), (140, 36581), (157, 32620), (233, 21980), (314, 16310), (466, 10990), (628, 8155), (785, 6524), (932, 5495), (1099, 4660), (1165, 4396), (1570, 3262), (1631, 3140), (2198, 2330)]