221352400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{17851}}^1$

素因数の和:17900

約数の個数: 60

約数和(自身を含む): 548984704

約数和(自身を除く): 327632304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400, 17851, 35702, 71404, 89255, 142808, 178510, 285616, 357020, 446275, 553381, 714040, 892550, 1106762, 1428080, 1785100, 2213524, 2766905, 3570200, 4427048, 5533810, 7140400, 8854096, 11067620, 13834525, 22135240, 27669050, 44270480, 55338100, 110676200, 221352400]

約数ペア:

[(1, 221352400), (2, 110676200), (4, 55338100), (5, 44270480), (8, 27669050), (10, 22135240), (16, 13834525), (20, 11067620), (25, 8854096), (31, 7140400), (40, 5533810), (50, 4427048), (62, 3570200), (80, 2766905), (100, 2213524), (124, 1785100), (155, 1428080), (200, 1106762), (248, 892550), (310, 714040), (400, 553381), (496, 446275), (620, 357020), (775, 285616), (1240, 178510), (1550, 142808), (2480, 89255), (3100, 71404), (6200, 35702), (12400, 17851)]