201865020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20897}}^1$

素因数の和:20939

約数の個数: 96

約数和(自身を含む): 674085888

約数和(自身を除く): 472220868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 4830, 9660, 20897, 41794, 62691, 83588, 104485, 125382, 146279, 208970, 250764, 292558, 313455, 417940, 438837, 480631, 585116, 626910, 731395, 877674, 961262, 1253820, 1441893, 1462790, 1755348, 1922524, 2194185, 2403155, 2883786, 2925580, 3364417, 4388370, 4806310, 5767572, 6728834, 7209465, 8776740, 9612620, 10093251, 13457668, 14418930, 16822085, 20186502, 28837860, 33644170, 40373004, 50466255, 67288340, 100932510, 201865020]

約数ペア:

[(1, 201865020), (2, 100932510), (3, 67288340), (4, 50466255), (5, 40373004), (6, 33644170), (7, 28837860), (10, 20186502), (12, 16822085), (14, 14418930), (15, 13457668), (20, 10093251), (21, 9612620), (23, 8776740), (28, 7209465), (30, 6728834), (35, 5767572), (42, 4806310), (46, 4388370), (60, 3364417), (69, 2925580), (70, 2883786), (84, 2403155), (92, 2194185), (105, 1922524), (115, 1755348), (138, 1462790), (140, 1441893), (161, 1253820), (210, 961262), (230, 877674), (276, 731395), (322, 626910), (345, 585116), (420, 480631), (460, 438837), (483, 417940), (644, 313455), (690, 292558), (805, 250764), (966, 208970), (1380, 146279), (1610, 125382), (1932, 104485), (2415, 83588), (3220, 62691), (4830, 41794), (9660, 20897)]