1900697820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{10079}}^1$

素因数の和:10547

約数の個数: 96

約数和(自身を含む): 6096384000

約数和(自身を除く): 4195686180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 449, 898, 1347, 1796, 2245, 2694, 3143, 4490, 5388, 6286, 6735, 8980, 9429, 10079, 12572, 13470, 15715, 18858, 20158, 26940, 30237, 31430, 37716, 40316, 47145, 50395, 60474, 62860, 70553, 94290, 100790, 120948, 141106, 151185, 188580, 201580, 211659, 282212, 302370, 352765, 423318, 604740, 705530, 846636, 1058295, 1411060, 2116590, 4233180, 4525471, 9050942, 13576413, 18101884, 22627355, 27152826, 31678297, 45254710, 54305652, 63356594, 67882065, 90509420, 95034891, 126713188, 135764130, 158391485, 190069782, 271528260, 316782970, 380139564, 475174455, 633565940, 950348910, 1900697820]

約数ペア:

[(1, 1900697820), (2, 950348910), (3, 633565940), (4, 475174455), (5, 380139564), (6, 316782970), (7, 271528260), (10, 190069782), (12, 158391485), (14, 135764130), (15, 126713188), (20, 95034891), (21, 90509420), (28, 67882065), (30, 63356594), (35, 54305652), (42, 45254710), (60, 31678297), (70, 27152826), (84, 22627355), (105, 18101884), (140, 13576413), (210, 9050942), (420, 4525471), (449, 4233180), (898, 2116590), (1347, 1411060), (1796, 1058295), (2245, 846636), (2694, 705530), (3143, 604740), (4490, 423318), (5388, 352765), (6286, 302370), (6735, 282212), (8980, 211659), (9429, 201580), (10079, 188580), (12572, 151185), (13470, 141106), (15715, 120948), (18858, 100790), (20158, 94290), (26940, 70553), (30237, 62860), (31430, 60474), (37716, 50395), (40316, 47145)]