17490140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 20430820

約数列:

[1, 2, 4, 5, 10, 20, 71, 109, 113, 142, 218, 226, 284, 355, 436, 452, 545, 565, 710, 1090, 1130, 1420, 2180, 2260, 7739, 8023, 12317, 15478, 16046, 24634, 30956, 32092, 38695, 40115, 49268, 61585, 77390, 80230, 123170, 154780, 160460, 246340, 874507, 1749014, 3498028, 4372535, 8745070, 17490140]

約数ペア:

[(1, 17490140), (2, 8745070), (4, 4372535), (5, 3498028), (10, 1749014), (20, 874507), (71, 246340), (109, 160460), (113, 154780), (142, 123170), (218, 80230), (226, 77390), (284, 61585), (355, 49268), (436, 40115), (452, 38695), (545, 32092), (565, 30956), (710, 24634), (1090, 16046), (1130, 15478), (1420, 12317), (2180, 8023), (2260, 7739)]