209182120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{2081}}^1$

素因数の和:2458

約数の個数: 64

約数和(自身を含む): 539654400

約数和(自身を除く): 330472280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 359, 718, 1436, 1795, 2081, 2513, 2872, 3590, 4162, 5026, 7180, 8324, 10052, 10405, 12565, 14360, 14567, 16648, 20104, 20810, 25130, 29134, 41620, 50260, 58268, 72835, 83240, 100520, 116536, 145670, 291340, 582680, 747079, 1494158, 2988316, 3735395, 5229553, 5976632, 7470790, 10459106, 14941580, 20918212, 26147765, 29883160, 41836424, 52295530, 104591060, 209182120]

約数ペア:

[(1, 209182120), (2, 104591060), (4, 52295530), (5, 41836424), (7, 29883160), (8, 26147765), (10, 20918212), (14, 14941580), (20, 10459106), (28, 7470790), (35, 5976632), (40, 5229553), (56, 3735395), (70, 2988316), (140, 1494158), (280, 747079), (359, 582680), (718, 291340), (1436, 145670), (1795, 116536), (2081, 100520), (2513, 83240), (2872, 72835), (3590, 58268), (4162, 50260), (5026, 41620), (7180, 29134), (8324, 25130), (10052, 20810), (10405, 20104), (12565, 16648), (14360, 14567)]