30991400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{14087}}^1$

素因数の和:14114

約数の個数: 48

約数和(自身を含む): 78611040

約数和(自身を除く): 47619640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 14087, 28174, 56348, 70435, 112696, 140870, 154957, 281740, 309914, 352175, 563480, 619828, 704350, 774785, 1239656, 1408700, 1549570, 2817400, 3099140, 3873925, 6198280, 7747850, 15495700, 30991400]

約数ペア:

[(1, 30991400), (2, 15495700), (4, 7747850), (5, 6198280), (8, 3873925), (10, 3099140), (11, 2817400), (20, 1549570), (22, 1408700), (25, 1239656), (40, 774785), (44, 704350), (50, 619828), (55, 563480), (88, 352175), (100, 309914), (110, 281740), (200, 154957), (220, 140870), (275, 112696), (440, 70435), (550, 56348), (1100, 28174), (2200, 14087)]