2021983240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{37087}}^1$

素因数の和:37174

約数の個数: 64

約数和(自身を含む): 4806604800

約数和(自身を除く): 2784621560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 290, 376, 470, 580, 940, 1160, 1363, 1880, 2726, 5452, 6815, 10904, 13630, 27260, 37087, 54520, 74174, 148348, 185435, 296696, 370870, 741740, 1075523, 1483480, 1743089, 2151046, 3486178, 4302092, 5377615, 6972356, 8604184, 8715445, 10755230, 13944712, 17430890, 21510460, 34861780, 43020920, 50549581, 69723560, 101099162, 202198324, 252747905, 404396648, 505495810, 1010991620, 2021983240]

約数ペア:

[(1, 2021983240), (2, 1010991620), (4, 505495810), (5, 404396648), (8, 252747905), (10, 202198324), (20, 101099162), (29, 69723560), (40, 50549581), (47, 43020920), (58, 34861780), (94, 21510460), (116, 17430890), (145, 13944712), (188, 10755230), (232, 8715445), (235, 8604184), (290, 6972356), (376, 5377615), (470, 4302092), (580, 3486178), (940, 2151046), (1160, 1743089), (1363, 1483480), (1880, 1075523), (2726, 741740), (5452, 370870), (6815, 296696), (10904, 185435), (13630, 148348), (27260, 74174), (37087, 54520)]