408076880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{379}}^1$

素因数の和:748

約数の個数: 80

約数和(自身を含む): 976514880

約数和(自身を除く): 568438000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 313, 344, 379, 430, 626, 688, 758, 860, 1252, 1516, 1565, 1720, 1895, 2504, 3032, 3130, 3440, 3790, 5008, 6064, 6260, 7580, 12520, 13459, 15160, 16297, 25040, 26918, 30320, 32594, 53836, 65188, 67295, 81485, 107672, 118627, 130376, 134590, 162970, 215344, 237254, 260752, 269180, 325940, 474508, 538360, 593135, 651880, 949016, 1076720, 1186270, 1303760, 1898032, 2372540, 4745080, 5100961, 9490160, 10201922, 20403844, 25504805, 40807688, 51009610, 81615376, 102019220, 204038440, 408076880]

約数ペア:

[(1, 408076880), (2, 204038440), (4, 102019220), (5, 81615376), (8, 51009610), (10, 40807688), (16, 25504805), (20, 20403844), (40, 10201922), (43, 9490160), (80, 5100961), (86, 4745080), (172, 2372540), (215, 1898032), (313, 1303760), (344, 1186270), (379, 1076720), (430, 949016), (626, 651880), (688, 593135), (758, 538360), (860, 474508), (1252, 325940), (1516, 269180), (1565, 260752), (1720, 237254), (1895, 215344), (2504, 162970), (3032, 134590), (3130, 130376), (3440, 118627), (3790, 107672), (5008, 81485), (6064, 67295), (6260, 65188), (7580, 53836), (12520, 32594), (13459, 30320), (15160, 26918), (16297, 25040)]