28491050

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:456

約数の個数: 72

約数和(自身を含む): 63930060

約数和(自身を除く): 35439010

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 49, 50, 58, 70, 98, 145, 175, 203, 245, 290, 350, 401, 406, 490, 725, 802, 1015, 1225, 1421, 1450, 2005, 2030, 2450, 2807, 2842, 4010, 5075, 5614, 7105, 10025, 10150, 11629, 14035, 14210, 19649, 20050, 23258, 28070, 35525, 39298, 58145, 70175, 71050, 81403, 98245, 116290, 140350, 162806, 196490, 290725, 407015, 491225, 569821, 581450, 814030, 982450, 1139642, 2035075, 2849105, 4070150, 5698210, 14245525, 28491050]

約数ペア:

[(1, 28491050), (2, 14245525), (5, 5698210), (7, 4070150), (10, 2849105), (14, 2035075), (25, 1139642), (29, 982450), (35, 814030), (49, 581450), (50, 569821), (58, 491225), (70, 407015), (98, 290725), (145, 196490), (175, 162806), (203, 140350), (245, 116290), (290, 98245), (350, 81403), (401, 71050), (406, 70175), (490, 58145), (725, 39298), (802, 35525), (1015, 28070), (1225, 23258), (1421, 20050), (1450, 19649), (2005, 14210), (2030, 14035), (2450, 11629), (2807, 10150), (2842, 10025), (4010, 7105), (5075, 5614)]