2291780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 5234880

約数和(自身を除く): 2943100

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 163, 185, 190, 326, 370, 380, 652, 703, 740, 815, 1406, 1630, 2812, 3097, 3260, 3515, 6031, 6194, 7030, 12062, 12388, 14060, 15485, 24124, 30155, 30970, 60310, 61940, 114589, 120620, 229178, 458356, 572945, 1145890, 2291780]

約数ペア:

[(1, 2291780), (2, 1145890), (4, 572945), (5, 458356), (10, 229178), (19, 120620), (20, 114589), (37, 61940), (38, 60310), (74, 30970), (76, 30155), (95, 24124), (148, 15485), (163, 14060), (185, 12388), (190, 12062), (326, 7030), (370, 6194), (380, 6031), (652, 3515), (703, 3260), (740, 3097), (815, 2812), (1406, 1630)]