7806220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 17408160

約数和(自身を除く): 9601940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 313, 430, 580, 626, 860, 1247, 1252, 1565, 2494, 3130, 4988, 6235, 6260, 9077, 12470, 13459, 18154, 24940, 26918, 36308, 45385, 53836, 67295, 90770, 134590, 181540, 269180, 390311, 780622, 1561244, 1951555, 3903110, 7806220]

約数ペア:

[(1, 7806220), (2, 3903110), (4, 1951555), (5, 1561244), (10, 780622), (20, 390311), (29, 269180), (43, 181540), (58, 134590), (86, 90770), (116, 67295), (145, 53836), (172, 45385), (215, 36308), (290, 26918), (313, 24940), (430, 18154), (580, 13459), (626, 12470), (860, 9077), (1247, 6260), (1252, 6235), (1565, 4988), (2494, 3130)]