338104450

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1259}}^1$

素因数の和:1443

約数の個数: 48

約数和(自身を含む): 649645920

約数和(自身を除く): 311541470

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 131, 205, 262, 410, 655, 1025, 1259, 1310, 2050, 2518, 3275, 5371, 6295, 6550, 10742, 12590, 26855, 31475, 51619, 53710, 62950, 103238, 134275, 164929, 258095, 268550, 329858, 516190, 824645, 1290475, 1649290, 2580950, 4123225, 6762089, 8246450, 13524178, 33810445, 67620890, 169052225, 338104450]

約数ペア:

[(1, 338104450), (2, 169052225), (5, 67620890), (10, 33810445), (25, 13524178), (41, 8246450), (50, 6762089), (82, 4123225), (131, 2580950), (205, 1649290), (262, 1290475), (410, 824645), (655, 516190), (1025, 329858), (1259, 268550), (1310, 258095), (2050, 164929), (2518, 134275), (3275, 103238), (5371, 62950), (6295, 53710), (6550, 51619), (10742, 31475), (12590, 26855)]