1379016140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1\times {\mathrm{1697}}^1$

素因数の和:2738

約数の個数: 48

約数和(自身を含む): 2971309824

約数和(自身を除く): 1592293684

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 991, 1697, 1982, 3394, 3964, 4955, 6788, 8485, 9910, 16970, 19820, 33940, 40631, 69577, 81262, 139154, 162524, 203155, 278308, 347885, 406310, 695770, 812620, 1391540, 1681727, 3363454, 6726908, 8408635, 16817270, 33634540, 68950807, 137901614, 275803228, 344754035, 689508070, 1379016140]

約数ペア:

[(1, 1379016140), (2, 689508070), (4, 344754035), (5, 275803228), (10, 137901614), (20, 68950807), (41, 33634540), (82, 16817270), (164, 8408635), (205, 6726908), (410, 3363454), (820, 1681727), (991, 1391540), (1697, 812620), (1982, 695770), (3394, 406310), (3964, 347885), (4955, 278308), (6788, 203155), (8485, 162524), (9910, 139154), (16970, 81262), (19820, 69577), (33940, 40631)]