80854900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:626

約数の個数: 108

約数和(自身を含む): 211509900

約数和(自身を除く): 130655000

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 49, 50, 58, 70, 98, 100, 116, 140, 145, 175, 196, 203, 245, 290, 350, 406, 490, 569, 580, 700, 725, 812, 980, 1015, 1138, 1225, 1421, 1450, 2030, 2276, 2450, 2842, 2845, 2900, 3983, 4060, 4900, 5075, 5684, 5690, 7105, 7966, 10150, 11380, 14210, 14225, 15932, 16501, 19915, 20300, 27881, 28420, 28450, 33002, 35525, 39830, 55762, 56900, 66004, 71050, 79660, 82505, 99575, 111524, 115507, 139405, 142100, 165010, 199150, 231014, 278810, 330020, 398300, 412525, 462028, 557620, 577535, 697025, 808549, 825050, 1155070, 1394050, 1617098, 1650100, 2310140, 2788100, 2887675, 3234196, 4042745, 5775350, 8085490, 11550700, 16170980, 20213725, 40427450, 80854900]

約数ペア:

[(1, 80854900), (2, 40427450), (4, 20213725), (5, 16170980), (7, 11550700), (10, 8085490), (14, 5775350), (20, 4042745), (25, 3234196), (28, 2887675), (29, 2788100), (35, 2310140), (49, 1650100), (50, 1617098), (58, 1394050), (70, 1155070), (98, 825050), (100, 808549), (116, 697025), (140, 577535), (145, 557620), (175, 462028), (196, 412525), (203, 398300), (245, 330020), (290, 278810), (350, 231014), (406, 199150), (490, 165010), (569, 142100), (580, 139405), (700, 115507), (725, 111524), (812, 99575), (980, 82505), (1015, 79660), (1138, 71050), (1225, 66004), (1421, 56900), (1450, 55762), (2030, 39830), (2276, 35525), (2450, 33002), (2842, 28450), (2845, 28420), (2900, 27881), (3983, 20300), (4060, 19915), (4900, 16501), (5075, 15932), (5684, 14225), (5690, 14210), (7105, 11380), (7966, 10150)]