1838440940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1621}}^1\times {\mathrm{8101}}^1$

素因数の和:9738

約数の個数: 48

約数和(自身を含む): 4415525184

約数和(自身を除く): 2577084244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1621, 3242, 6484, 8101, 8105, 11347, 16202, 16210, 22694, 32404, 32420, 40505, 45388, 56707, 56735, 81010, 113414, 113470, 162020, 226828, 226940, 283535, 567070, 1134140, 13131721, 26263442, 52526884, 65658605, 91922047, 131317210, 183844094, 262634420, 367688188, 459610235, 919220470, 1838440940]

約数ペア:

[(1, 1838440940), (2, 919220470), (4, 459610235), (5, 367688188), (7, 262634420), (10, 183844094), (14, 131317210), (20, 91922047), (28, 65658605), (35, 52526884), (70, 26263442), (140, 13131721), (1621, 1134140), (3242, 567070), (6484, 283535), (8101, 226940), (8105, 226828), (11347, 162020), (16202, 113470), (16210, 113414), (22694, 81010), (32404, 56735), (32420, 56707), (40505, 45388)]