31438020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2633}}^1$

素因数の和:2844

約数の個数: 48

約数和(自身を含む): 88502400

約数和(自身を除く): 57064380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1990, 2388, 2633, 2985, 3980, 5266, 5970, 7899, 10532, 11940, 13165, 15798, 26330, 31596, 39495, 52660, 78990, 157980, 523967, 1047934, 1571901, 2095868, 2619835, 3143802, 5239670, 6287604, 7859505, 10479340, 15719010, 31438020]

約数ペア:

[(1, 31438020), (2, 15719010), (3, 10479340), (4, 7859505), (5, 6287604), (6, 5239670), (10, 3143802), (12, 2619835), (15, 2095868), (20, 1571901), (30, 1047934), (60, 523967), (199, 157980), (398, 78990), (597, 52660), (796, 39495), (995, 31596), (1194, 26330), (1990, 15798), (2388, 13165), (2633, 11940), (2985, 10532), (3980, 7899), (5266, 5970)]