478950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 1238016

約数和(自身を除く): 759066

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 103, 150, 155, 186, 206, 309, 310, 465, 515, 618, 775, 930, 1030, 1545, 1550, 2325, 2575, 3090, 3193, 4650, 5150, 6386, 7725, 9579, 15450, 15965, 19158, 31930, 47895, 79825, 95790, 159650, 239475, 478950]

約数ペア:

[(1, 478950), (2, 239475), (3, 159650), (5, 95790), (6, 79825), (10, 47895), (15, 31930), (25, 19158), (30, 15965), (31, 15450), (50, 9579), (62, 7725), (75, 6386), (93, 5150), (103, 4650), (150, 3193), (155, 3090), (186, 2575), (206, 2325), (309, 1550), (310, 1545), (465, 1030), (515, 930), (618, 775)]