23770420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{463}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 53319168

約数和(自身を除く): 29548748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 151, 170, 302, 340, 463, 604, 755, 926, 1510, 1852, 2315, 2567, 3020, 4630, 5134, 7871, 9260, 10268, 12835, 15742, 25670, 31484, 39355, 51340, 69913, 78710, 139826, 157420, 279652, 349565, 699130, 1188521, 1398260, 2377042, 4754084, 5942605, 11885210, 23770420]

約数ペア:

[(1, 23770420), (2, 11885210), (4, 5942605), (5, 4754084), (10, 2377042), (17, 1398260), (20, 1188521), (34, 699130), (68, 349565), (85, 279652), (151, 157420), (170, 139826), (302, 78710), (340, 69913), (463, 51340), (604, 39355), (755, 31484), (926, 25670), (1510, 15742), (1852, 12835), (2315, 10268), (2567, 9260), (3020, 7871), (4630, 5134)]