381800

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 937440

約数和(自身を除く): 555640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 83, 92, 100, 115, 166, 184, 200, 230, 332, 415, 460, 575, 664, 830, 920, 1150, 1660, 1909, 2075, 2300, 3320, 3818, 4150, 4600, 7636, 8300, 9545, 15272, 16600, 19090, 38180, 47725, 76360, 95450, 190900, 381800]

約数ペア:

[(1, 381800), (2, 190900), (4, 95450), (5, 76360), (8, 47725), (10, 38180), (20, 19090), (23, 16600), (25, 15272), (40, 9545), (46, 8300), (50, 7636), (83, 4600), (92, 4150), (100, 3818), (115, 3320), (166, 2300), (184, 2075), (200, 1909), (230, 1660), (332, 1150), (415, 920), (460, 830), (575, 664)]