2813900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1481}}^1$

素因数の和:1514

約数の個数: 36

約数和(自身を含む): 6431880

約数和(自身を除く): 3617980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1481, 1900, 2962, 5924, 7405, 14810, 28139, 29620, 37025, 56278, 74050, 112556, 140695, 148100, 281390, 562780, 703475, 1406950, 2813900]

約数ペア:

[(1, 2813900), (2, 1406950), (4, 703475), (5, 562780), (10, 281390), (19, 148100), (20, 140695), (25, 112556), (38, 74050), (50, 56278), (76, 37025), (95, 29620), (100, 28139), (190, 14810), (380, 7405), (475, 5924), (950, 2962), (1481, 1900)]