221398980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{335453}}^1$

素因数の和:335476

約数の個数: 48

約数和(自身を含む): 676275264

約数和(自身を除く): 454876284

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 335453, 670906, 1006359, 1341812, 1677265, 2012718, 3354530, 3689983, 4025436, 5031795, 6709060, 7379966, 10063590, 11069949, 14759932, 18449915, 20127180, 22139898, 36899830, 44279796, 55349745, 73799660, 110699490, 221398980]

約数ペア:

[(1, 221398980), (2, 110699490), (3, 73799660), (4, 55349745), (5, 44279796), (6, 36899830), (10, 22139898), (11, 20127180), (12, 18449915), (15, 14759932), (20, 11069949), (22, 10063590), (30, 7379966), (33, 6709060), (44, 5031795), (55, 4025436), (60, 3689983), (66, 3354530), (110, 2012718), (132, 1677265), (165, 1341812), (220, 1006359), (330, 670906), (660, 335453)]