409864180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{739}}^1\times {\mathrm{2521}}^1$

素因数の和:3280

約数の個数: 48

約数和(自身を含む): 940605120

約数和(自身を除く): 530740940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 739, 1478, 2521, 2956, 3695, 5042, 7390, 8129, 10084, 12605, 14780, 16258, 25210, 27731, 32516, 40645, 50420, 55462, 81290, 110924, 138655, 162580, 277310, 554620, 1863019, 3726038, 7452076, 9315095, 18630190, 20493209, 37260380, 40986418, 81972836, 102466045, 204932090, 409864180]

約数ペア:

[(1, 409864180), (2, 204932090), (4, 102466045), (5, 81972836), (10, 40986418), (11, 37260380), (20, 20493209), (22, 18630190), (44, 9315095), (55, 7452076), (110, 3726038), (220, 1863019), (739, 554620), (1478, 277310), (2521, 162580), (2956, 138655), (3695, 110924), (5042, 81290), (7390, 55462), (8129, 50420), (10084, 40645), (12605, 32516), (14780, 27731), (16258, 25210)]