2188220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 4935168

約数和(自身を除く): 2746948

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 67, 71, 92, 115, 134, 142, 230, 268, 284, 335, 355, 460, 670, 710, 1340, 1420, 1541, 1633, 3082, 3266, 4757, 6164, 6532, 7705, 8165, 9514, 15410, 16330, 19028, 23785, 30820, 32660, 47570, 95140, 109411, 218822, 437644, 547055, 1094110, 2188220]

約数ペア:

[(1, 2188220), (2, 1094110), (4, 547055), (5, 437644), (10, 218822), (20, 109411), (23, 95140), (46, 47570), (67, 32660), (71, 30820), (92, 23785), (115, 19028), (134, 16330), (142, 15410), (230, 9514), (268, 8165), (284, 7705), (335, 6532), (355, 6164), (460, 4757), (670, 3266), (710, 3082), (1340, 1633), (1420, 1541)]