28042420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6907}}^1$

素因数の和:6952

約数の個数: 48

約数和(自身を含む): 69632640

約数和(自身を除く): 41590220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 6907, 13814, 27628, 34535, 48349, 69070, 96698, 138140, 193396, 200303, 241745, 400606, 483490, 801212, 966980, 1001515, 1402121, 2003030, 2804242, 4006060, 5608484, 7010605, 14021210, 28042420]

約数ペア:

[(1, 28042420), (2, 14021210), (4, 7010605), (5, 5608484), (7, 4006060), (10, 2804242), (14, 2003030), (20, 1402121), (28, 1001515), (29, 966980), (35, 801212), (58, 483490), (70, 400606), (116, 241745), (140, 200303), (145, 193396), (203, 138140), (290, 96698), (406, 69070), (580, 48349), (812, 34535), (1015, 27628), (2030, 13814), (4060, 6907)]