821009795050

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1289}}^1\times {\mathrm{240353}}^1$

素因数の和:241707

約数の個数: 48

約数和(自身を含む): 1557104546520

約数和(自身を除く): 736094751470

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1289, 1325, 2578, 2650, 6445, 12890, 32225, 64450, 68317, 136634, 240353, 341585, 480706, 683170, 1201765, 1707925, 2403530, 3415850, 6008825, 12017650, 12738709, 25477418, 63693545, 127387090, 309815017, 318467725, 619630034, 636935450, 1549075085, 3098150170, 7745375425, 15490750850, 16420195901, 32840391802, 82100979505, 164201959010, 410504897525, 821009795050]

約数ペア:

[(1, 821009795050), (2, 410504897525), (5, 164201959010), (10, 82100979505), (25, 32840391802), (50, 16420195901), (53, 15490750850), (106, 7745375425), (265, 3098150170), (530, 1549075085), (1289, 636935450), (1325, 619630034), (2578, 318467725), (2650, 309815017), (6445, 127387090), (12890, 63693545), (32225, 25477418), (64450, 12738709), (68317, 12017650), (136634, 6008825), (240353, 3415850), (341585, 2403530), (480706, 1707925), (683170, 1201765)]