28063420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18223}}^1$

素因数の和:18250

約数の個数: 48

約数和(自身を含む): 73479168

約数和(自身を除く): 45415748

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 18223, 36446, 72892, 91115, 127561, 182230, 200453, 255122, 364460, 400906, 510244, 637805, 801812, 1002265, 1275610, 1403171, 2004530, 2551220, 2806342, 4009060, 5612684, 7015855, 14031710, 28063420]

約数ペア:

[(1, 28063420), (2, 14031710), (4, 7015855), (5, 5612684), (7, 4009060), (10, 2806342), (11, 2551220), (14, 2004530), (20, 1403171), (22, 1275610), (28, 1002265), (35, 801812), (44, 637805), (55, 510244), (70, 400906), (77, 364460), (110, 255122), (140, 200453), (154, 182230), (220, 127561), (308, 91115), (385, 72892), (770, 36446), (1540, 18223)]