28868980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10853}}^1$

素因数の和:10888

約数の個数: 48

約数和(自身を含む): 72938880

約数和(自身を除く): 44069900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 10853, 21706, 43412, 54265, 75971, 108530, 151942, 206207, 217060, 303884, 379855, 412414, 759710, 824828, 1031035, 1443449, 1519420, 2062070, 2886898, 4124140, 5773796, 7217245, 14434490, 28868980]

約数ペア:

[(1, 28868980), (2, 14434490), (4, 7217245), (5, 5773796), (7, 4124140), (10, 2886898), (14, 2062070), (19, 1519420), (20, 1443449), (28, 1031035), (35, 824828), (38, 759710), (70, 412414), (76, 379855), (95, 303884), (133, 217060), (140, 206207), (190, 151942), (266, 108530), (380, 75971), (532, 54265), (665, 43412), (1330, 21706), (2660, 10853)]