209863080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{11897}}^1$

素因数の和:11928

約数の個数: 144

約数和(自身を含む): 793477620

約数和(自身を除く): 583614540

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 11897, 17640, 23794, 35691, 47588, 59485, 71382, 83279, 95176, 107073, 118970, 142764, 166558, 178455, 214146, 237940, 249837, 285528, 333116, 356910, 416395, 428292, 475880, 499674, 535365, 582953, 666232, 713820, 749511, 832790, 856584, 999348, 1070730, 1165906, 1249185, 1427640, 1499022, 1665580, 1748859, 1998696, 2141460, 2331812, 2498370, 2914765, 2998044, 3331160, 3497718, 3747555, 4282920, 4663624, 4996740, 5246577, 5829530, 5996088, 6995436, 7495110, 8744295, 9993480, 10493154, 11659060, 13990872, 14990220, 17488590, 20986308, 23318120, 26232885, 29980440, 34977180, 41972616, 52465770, 69954360, 104931540, 209863080]

約数ペア:

[(1, 209863080), (2, 104931540), (3, 69954360), (4, 52465770), (5, 41972616), (6, 34977180), (7, 29980440), (8, 26232885), (9, 23318120), (10, 20986308), (12, 17488590), (14, 14990220), (15, 13990872), (18, 11659060), (20, 10493154), (21, 9993480), (24, 8744295), (28, 7495110), (30, 6995436), (35, 5996088), (36, 5829530), (40, 5246577), (42, 4996740), (45, 4663624), (49, 4282920), (56, 3747555), (60, 3497718), (63, 3331160), (70, 2998044), (72, 2914765), (84, 2498370), (90, 2331812), (98, 2141460), (105, 1998696), (120, 1748859), (126, 1665580), (140, 1499022), (147, 1427640), (168, 1249185), (180, 1165906), (196, 1070730), (210, 999348), (245, 856584), (252, 832790), (280, 749511), (294, 713820), (315, 666232), (360, 582953), (392, 535365), (420, 499674), (441, 475880), (490, 428292), (504, 416395), (588, 356910), (630, 333116), (735, 285528), (840, 249837), (882, 237940), (980, 214146), (1176, 178455), (1260, 166558), (1470, 142764), (1764, 118970), (1960, 107073), (2205, 95176), (2520, 83279), (2940, 71382), (3528, 59485), (4410, 47588), (5880, 35691), (8820, 23794), (11897, 17640)]