2488780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{613}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 6189120

約数和(自身を除く): 3700340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 613, 812, 1015, 1226, 2030, 2452, 3065, 4060, 4291, 6130, 8582, 12260, 17164, 17777, 21455, 35554, 42910, 71108, 85820, 88885, 124439, 177770, 248878, 355540, 497756, 622195, 1244390, 2488780]

約数ペア:

[(1, 2488780), (2, 1244390), (4, 622195), (5, 497756), (7, 355540), (10, 248878), (14, 177770), (20, 124439), (28, 88885), (29, 85820), (35, 71108), (58, 42910), (70, 35554), (116, 21455), (140, 17777), (145, 17164), (203, 12260), (290, 8582), (406, 6130), (580, 4291), (613, 4060), (812, 3065), (1015, 2452), (1226, 2030)]