917830020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{493457}}^1$

素因数の和:493500

約数の個数: 48

約数和(自身を含む): 2652830208

約数和(自身を除く): 1735000188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 493457, 986914, 1480371, 1973828, 2467285, 2960742, 4934570, 5921484, 7401855, 9869140, 14803710, 15297167, 29607420, 30594334, 45891501, 61188668, 76485835, 91783002, 152971670, 183566004, 229457505, 305943340, 458915010, 917830020]

約数ペア:

[(1, 917830020), (2, 458915010), (3, 305943340), (4, 229457505), (5, 183566004), (6, 152971670), (10, 91783002), (12, 76485835), (15, 61188668), (20, 45891501), (30, 30594334), (31, 29607420), (60, 15297167), (62, 14803710), (93, 9869140), (124, 7401855), (155, 5921484), (186, 4934570), (310, 2960742), (372, 2467285), (465, 1973828), (620, 1480371), (930, 986914), (1860, 493457)]