215309570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{317}}^1$

素因数の和:675

約数の個数: 64

約数和(自身を含む): 460118016

約数和(自身を除く): 244808446

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 313, 317, 434, 626, 634, 1085, 1565, 1585, 2170, 2191, 2219, 3130, 3170, 4382, 4438, 9703, 9827, 10955, 11095, 19406, 19654, 21910, 22190, 48515, 49135, 67921, 68789, 97030, 98270, 99221, 135842, 137578, 198442, 339605, 343945, 496105, 679210, 687890, 694547, 992210, 1389094, 3075851, 3472735, 6151702, 6945470, 15379255, 21530957, 30758510, 43061914, 107654785, 215309570]

約数ペア:

[(1, 215309570), (2, 107654785), (5, 43061914), (7, 30758510), (10, 21530957), (14, 15379255), (31, 6945470), (35, 6151702), (62, 3472735), (70, 3075851), (155, 1389094), (217, 992210), (310, 694547), (313, 687890), (317, 679210), (434, 496105), (626, 343945), (634, 339605), (1085, 198442), (1565, 137578), (1585, 135842), (2170, 99221), (2191, 98270), (2219, 97030), (3130, 68789), (3170, 67921), (4382, 49135), (4438, 48515), (9703, 22190), (9827, 21910), (10955, 19654), (11095, 19406)]