2783750

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:170

約数の個数: 40

約数和(自身を含む): 5566968

約数和(自身を除く): 2783218

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 131, 170, 250, 262, 425, 625, 655, 850, 1250, 1310, 2125, 2227, 3275, 4250, 4454, 6550, 10625, 11135, 16375, 21250, 22270, 32750, 55675, 81875, 111350, 163750, 278375, 556750, 1391875, 2783750]

約数ペア:

[(1, 2783750), (2, 1391875), (5, 556750), (10, 278375), (17, 163750), (25, 111350), (34, 81875), (50, 55675), (85, 32750), (125, 22270), (131, 21250), (170, 16375), (250, 11135), (262, 10625), (425, 6550), (625, 4454), (655, 4250), (850, 3275), (1250, 2227), (1310, 2125)]