3445840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2267}}^1$

素因数の和:2299

約数の個数: 40

約数和(自身を含む): 8436960

約数和(自身を除く): 4991120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2267, 4534, 9068, 11335, 18136, 22670, 36272, 43073, 45340, 86146, 90680, 172292, 181360, 215365, 344584, 430730, 689168, 861460, 1722920, 3445840]

約数ペア:

[(1, 3445840), (2, 1722920), (4, 861460), (5, 689168), (8, 430730), (10, 344584), (16, 215365), (19, 181360), (20, 172292), (38, 90680), (40, 86146), (76, 45340), (80, 43073), (95, 36272), (152, 22670), (190, 18136), (304, 11335), (380, 9068), (760, 4534), (1520, 2267)]