4444540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 9878400

約数和(自身を除く): 5433860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 97, 116, 145, 158, 194, 290, 316, 388, 395, 485, 580, 790, 970, 1580, 1940, 2291, 2813, 4582, 5626, 7663, 9164, 11252, 11455, 14065, 15326, 22910, 28130, 30652, 38315, 45820, 56260, 76630, 153260, 222227, 444454, 888908, 1111135, 2222270, 4444540]

約数ペア:

[(1, 4444540), (2, 2222270), (4, 1111135), (5, 888908), (10, 444454), (20, 222227), (29, 153260), (58, 76630), (79, 56260), (97, 45820), (116, 38315), (145, 30652), (158, 28130), (194, 22910), (290, 15326), (316, 14065), (388, 11455), (395, 11252), (485, 9164), (580, 7663), (790, 5626), (970, 4582), (1580, 2813), (1940, 2291)]