2398940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 5443200

約数和(自身を除く): 3044260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 107, 118, 190, 214, 236, 295, 380, 428, 535, 590, 1070, 1121, 1180, 2033, 2140, 2242, 4066, 4484, 5605, 6313, 8132, 10165, 11210, 12626, 20330, 22420, 25252, 31565, 40660, 63130, 119947, 126260, 239894, 479788, 599735, 1199470, 2398940]

約数ペア:

[(1, 2398940), (2, 1199470), (4, 599735), (5, 479788), (10, 239894), (19, 126260), (20, 119947), (38, 63130), (59, 40660), (76, 31565), (95, 25252), (107, 22420), (118, 20330), (190, 12626), (214, 11210), (236, 10165), (295, 8132), (380, 6313), (428, 5605), (535, 4484), (590, 4066), (1070, 2242), (1121, 2140), (1180, 2033)]