313238420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1031}}^1\times {\mathrm{1381}}^1$

素因数の和:2432

約数の個数: 48

約数和(自身を含む): 718816896

約数和(自身を除く): 405578476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1031, 1381, 2062, 2762, 4124, 5155, 5524, 6905, 10310, 11341, 13810, 15191, 20620, 22682, 27620, 30382, 45364, 56705, 60764, 75955, 113410, 151910, 226820, 303820, 1423811, 2847622, 5695244, 7119055, 14238110, 15661921, 28476220, 31323842, 62647684, 78309605, 156619210, 313238420]

約数ペア:

[(1, 313238420), (2, 156619210), (4, 78309605), (5, 62647684), (10, 31323842), (11, 28476220), (20, 15661921), (22, 14238110), (44, 7119055), (55, 5695244), (110, 2847622), (220, 1423811), (1031, 303820), (1381, 226820), (2062, 151910), (2762, 113410), (4124, 75955), (5155, 60764), (5524, 56705), (6905, 45364), (10310, 30382), (11341, 27620), (13810, 22682), (15191, 20620)]