209898260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{929}}^1$

素因数の和:1041

約数の個数: 96

約数和(自身を含む): 524966400

約数和(自身を除く): 315068140

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 79, 110, 130, 143, 158, 220, 260, 286, 316, 395, 572, 715, 790, 869, 929, 1027, 1430, 1580, 1738, 1858, 2054, 2860, 3476, 3716, 4108, 4345, 4645, 5135, 8690, 9290, 10219, 10270, 11297, 12077, 17380, 18580, 20438, 20540, 22594, 24154, 40876, 45188, 48308, 51095, 56485, 60385, 73391, 102190, 112970, 120770, 132847, 146782, 204380, 225940, 241540, 265694, 293564, 366955, 531388, 664235, 733910, 807301, 954083, 1328470, 1467820, 1614602, 1908166, 2656940, 3229204, 3816332, 4036505, 4770415, 8073010, 9540830, 10494913, 16146020, 19081660, 20989826, 41979652, 52474565, 104949130, 209898260]

約数ペア:

[(1, 209898260), (2, 104949130), (4, 52474565), (5, 41979652), (10, 20989826), (11, 19081660), (13, 16146020), (20, 10494913), (22, 9540830), (26, 8073010), (44, 4770415), (52, 4036505), (55, 3816332), (65, 3229204), (79, 2656940), (110, 1908166), (130, 1614602), (143, 1467820), (158, 1328470), (220, 954083), (260, 807301), (286, 733910), (316, 664235), (395, 531388), (572, 366955), (715, 293564), (790, 265694), (869, 241540), (929, 225940), (1027, 204380), (1430, 146782), (1580, 132847), (1738, 120770), (1858, 112970), (2054, 102190), (2860, 73391), (3476, 60385), (3716, 56485), (4108, 51095), (4345, 48308), (4645, 45188), (5135, 40876), (8690, 24154), (9290, 22594), (10219, 20540), (10270, 20438), (11297, 18580), (12077, 17380)]