4395460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 9979200

約数和(自身を除く): 5583740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 269, 380, 430, 538, 817, 860, 1076, 1345, 1634, 2690, 3268, 4085, 5111, 5380, 8170, 10222, 11567, 16340, 20444, 23134, 25555, 46268, 51110, 57835, 102220, 115670, 219773, 231340, 439546, 879092, 1098865, 2197730, 4395460]

約数ペア:

[(1, 4395460), (2, 2197730), (4, 1098865), (5, 879092), (10, 439546), (19, 231340), (20, 219773), (38, 115670), (43, 102220), (76, 57835), (86, 51110), (95, 46268), (172, 25555), (190, 23134), (215, 20444), (269, 16340), (380, 11567), (430, 10222), (538, 8170), (817, 5380), (860, 5111), (1076, 4085), (1345, 3268), (1634, 2690)]