2191880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1481}}^1$

素因数の和:1529

約数の個数: 32

約数和(自身を含む): 5068440

約数和(自身を除く): 2876560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 1481, 2962, 5924, 7405, 11848, 14810, 29620, 54797, 59240, 109594, 219188, 273985, 438376, 547970, 1095940, 2191880]

約数ペア:

[(1, 2191880), (2, 1095940), (4, 547970), (5, 438376), (8, 273985), (10, 219188), (20, 109594), (37, 59240), (40, 54797), (74, 29620), (148, 14810), (185, 11848), (296, 7405), (370, 5924), (740, 2962), (1480, 1481)]