668936240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{170647}}^1$

素因数の和:170674

約数の個数: 60

約数和(自身を含む): 1809210096

約数和(自身を除く): 1140273856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 170647, 341294, 682588, 853235, 1194529, 1365176, 1706470, 2389058, 2730352, 3412940, 4778116, 5972645, 6825880, 8361703, 9556232, 11945290, 13651760, 16723406, 19112464, 23890580, 33446812, 41808515, 47781160, 66893624, 83617030, 95562320, 133787248, 167234060, 334468120, 668936240]

約数ペア:

[(1, 668936240), (2, 334468120), (4, 167234060), (5, 133787248), (7, 95562320), (8, 83617030), (10, 66893624), (14, 47781160), (16, 41808515), (20, 33446812), (28, 23890580), (35, 19112464), (40, 16723406), (49, 13651760), (56, 11945290), (70, 9556232), (80, 8361703), (98, 6825880), (112, 5972645), (140, 4778116), (196, 3412940), (245, 2730352), (280, 2389058), (392, 1706470), (490, 1365176), (560, 1194529), (784, 853235), (980, 682588), (1960, 341294), (3920, 170647)]