28346630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 58181760

約数和(自身を除く): 29835130

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 73, 103, 130, 145, 146, 206, 290, 365, 377, 515, 730, 754, 949, 1030, 1339, 1885, 1898, 2117, 2678, 2987, 3770, 4234, 4745, 5974, 6695, 7519, 9490, 10585, 13390, 14935, 15038, 21170, 27521, 29870, 37595, 38831, 55042, 75190, 77662, 97747, 137605, 194155, 195494, 218051, 275210, 388310, 436102, 488735, 977470, 1090255, 2180510, 2834663, 5669326, 14173315, 28346630]

約数ペア:

[(1, 28346630), (2, 14173315), (5, 5669326), (10, 2834663), (13, 2180510), (26, 1090255), (29, 977470), (58, 488735), (65, 436102), (73, 388310), (103, 275210), (130, 218051), (145, 195494), (146, 194155), (206, 137605), (290, 97747), (365, 77662), (377, 75190), (515, 55042), (730, 38831), (754, 37595), (949, 29870), (1030, 27521), (1339, 21170), (1885, 15038), (1898, 14935), (2117, 13390), (2678, 10585), (2987, 9490), (3770, 7519), (4234, 6695), (4745, 5974)]