28785950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 57012720

約数和(自身を除く): 28226770

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 157, 190, 193, 314, 386, 475, 785, 950, 965, 1570, 1930, 2983, 3667, 3925, 4825, 5966, 7334, 7850, 9650, 14915, 18335, 29830, 30301, 36670, 60602, 74575, 91675, 149150, 151505, 183350, 303010, 575719, 757525, 1151438, 1515050, 2878595, 5757190, 14392975, 28785950]

約数ペア:

[(1, 28785950), (2, 14392975), (5, 5757190), (10, 2878595), (19, 1515050), (25, 1151438), (38, 757525), (50, 575719), (95, 303010), (157, 183350), (190, 151505), (193, 149150), (314, 91675), (386, 74575), (475, 60602), (785, 36670), (950, 30301), (965, 29830), (1570, 18335), (1930, 14915), (2983, 9650), (3667, 7850), (3925, 7334), (4825, 5966)]