81427300

素因数分解:

$2^2\times 5^2\times {\mathrm{239}}^1\times {\mathrm{3407}}^1$

素因数の和:3660

約数の個数: 36

約数和(自身を含む): 177488640

約数和(自身を除く): 96061340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 239, 478, 956, 1195, 2390, 3407, 4780, 5975, 6814, 11950, 13628, 17035, 23900, 34070, 68140, 85175, 170350, 340700, 814273, 1628546, 3257092, 4071365, 8142730, 16285460, 20356825, 40713650, 81427300]

約数ペア:

[(1, 81427300), (2, 40713650), (4, 20356825), (5, 16285460), (10, 8142730), (20, 4071365), (25, 3257092), (50, 1628546), (100, 814273), (239, 340700), (478, 170350), (956, 85175), (1195, 68140), (2390, 34070), (3407, 23900), (4780, 17035), (5975, 13628), (6814, 11950)]