2419180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 5433120

約数和(自身を除く): 3013940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 97, 116, 145, 172, 194, 215, 290, 388, 430, 485, 580, 860, 970, 1247, 1940, 2494, 2813, 4171, 4988, 5626, 6235, 8342, 11252, 12470, 14065, 16684, 20855, 24940, 28130, 41710, 56260, 83420, 120959, 241918, 483836, 604795, 1209590, 2419180]

約数ペア:

[(1, 2419180), (2, 1209590), (4, 604795), (5, 483836), (10, 241918), (20, 120959), (29, 83420), (43, 56260), (58, 41710), (86, 28130), (97, 24940), (116, 20855), (145, 16684), (172, 14065), (194, 12470), (215, 11252), (290, 8342), (388, 6235), (430, 5626), (485, 4988), (580, 4171), (860, 2813), (970, 2494), (1247, 1940)]