2318440

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 5265000

約数和(自身を除く): 2946560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 389, 596, 745, 778, 1192, 1490, 1556, 1945, 2980, 3112, 3890, 5960, 7780, 15560, 57961, 115922, 231844, 289805, 463688, 579610, 1159220, 2318440]

約数ペア:

[(1, 2318440), (2, 1159220), (4, 579610), (5, 463688), (8, 289805), (10, 231844), (20, 115922), (40, 57961), (149, 15560), (298, 7780), (389, 5960), (596, 3890), (745, 3112), (778, 2980), (1192, 1945), (1490, 1556)]