28214820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{156749}}^1$

素因数の和:156764

約数の個数: 36

約数和(自身を含む): 85585500

約数和(自身を除く): 57370680

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 156749, 313498, 470247, 626996, 783745, 940494, 1410741, 1567490, 1880988, 2351235, 2821482, 3134980, 4702470, 5642964, 7053705, 9404940, 14107410, 28214820]

約数ペア:

[(1, 28214820), (2, 14107410), (3, 9404940), (4, 7053705), (5, 5642964), (6, 4702470), (9, 3134980), (10, 2821482), (12, 2351235), (15, 1880988), (18, 1567490), (20, 1410741), (30, 940494), (36, 783745), (45, 626996), (60, 470247), (90, 313498), (180, 156749)]