31235260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{101}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 77351904

約数和(自身を除く): 46116644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 101, 140, 188, 202, 235, 329, 404, 470, 505, 658, 707, 940, 1010, 1316, 1414, 1645, 2020, 2209, 2828, 3290, 3535, 4418, 4747, 6580, 7070, 8836, 9494, 11045, 14140, 15463, 18988, 22090, 23735, 30926, 33229, 44180, 47470, 61852, 66458, 77315, 94940, 132916, 154630, 166145, 223109, 309260, 332290, 446218, 664580, 892436, 1115545, 1561763, 2231090, 3123526, 4462180, 6247052, 7808815, 15617630, 31235260]

約数ペア:

[(1, 31235260), (2, 15617630), (4, 7808815), (5, 6247052), (7, 4462180), (10, 3123526), (14, 2231090), (20, 1561763), (28, 1115545), (35, 892436), (47, 664580), (70, 446218), (94, 332290), (101, 309260), (140, 223109), (188, 166145), (202, 154630), (235, 132916), (329, 94940), (404, 77315), (470, 66458), (505, 61852), (658, 47470), (707, 44180), (940, 33229), (1010, 30926), (1316, 23735), (1414, 22090), (1645, 18988), (2020, 15463), (2209, 14140), (2828, 11045), (3290, 9494), (3535, 8836), (4418, 7070), (4747, 6580)]