278339960

素因数分解:

$2^3\times 5^1\times {\mathrm{2063}}^1\times {\mathrm{3373}}^1$

素因数の和:5447

約数の個数: 32

約数和(自身を含む): 626754240

約数和(自身を除く): 348414280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2063, 3373, 4126, 6746, 8252, 10315, 13492, 16504, 16865, 20630, 26984, 33730, 41260, 67460, 82520, 134920, 6958499, 13916998, 27833996, 34792495, 55667992, 69584990, 139169980, 278339960]

約数ペア:

[(1, 278339960), (2, 139169980), (4, 69584990), (5, 55667992), (8, 34792495), (10, 27833996), (20, 13916998), (40, 6958499), (2063, 134920), (3373, 82520), (4126, 67460), (6746, 41260), (8252, 33730), (10315, 26984), (13492, 20630), (16504, 16865)]