3499340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 8123808

約数和(自身を除く): 4624468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 313, 430, 559, 626, 860, 1118, 1252, 1565, 2236, 2795, 3130, 4069, 5590, 6260, 8138, 11180, 13459, 16276, 20345, 26918, 40690, 53836, 67295, 81380, 134590, 174967, 269180, 349934, 699868, 874835, 1749670, 3499340]

約数ペア:

[(1, 3499340), (2, 1749670), (4, 874835), (5, 699868), (10, 349934), (13, 269180), (20, 174967), (26, 134590), (43, 81380), (52, 67295), (65, 53836), (86, 40690), (130, 26918), (172, 20345), (215, 16276), (260, 13459), (313, 11180), (430, 8138), (559, 6260), (626, 5590), (860, 4069), (1118, 3130), (1252, 2795), (1565, 2236)]