42196840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{21529}}^1$

素因数の和:21554

約数の個数: 48

約数和(自身を含む): 110448900

約数和(自身を除く): 68252060

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 21529, 43058, 86116, 107645, 150703, 172232, 215290, 301406, 430580, 602812, 753515, 861160, 1054921, 1205624, 1507030, 2109842, 3014060, 4219684, 5274605, 6028120, 8439368, 10549210, 21098420, 42196840]

約数ペア:

[(1, 42196840), (2, 21098420), (4, 10549210), (5, 8439368), (7, 6028120), (8, 5274605), (10, 4219684), (14, 3014060), (20, 2109842), (28, 1507030), (35, 1205624), (40, 1054921), (49, 861160), (56, 753515), (70, 602812), (98, 430580), (140, 301406), (196, 215290), (245, 172232), (280, 150703), (392, 107645), (490, 86116), (980, 43058), (1960, 21529)]