2788893320

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{4691}}^1$

素因数の和:4958

約数の個数: 64

約数和(自身を含む): 6384873600

約数和(自身を除く): 3595980280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 167, 178, 334, 356, 445, 668, 712, 835, 890, 1336, 1670, 1780, 3340, 3560, 4691, 6680, 9382, 14863, 18764, 23455, 29726, 37528, 46910, 59452, 74315, 93820, 118904, 148630, 187640, 297260, 417499, 594520, 783397, 834998, 1566794, 1669996, 2087495, 3133588, 3339992, 3916985, 4174990, 6267176, 7833970, 8349980, 15667940, 16699960, 31335880, 69722333, 139444666, 278889332, 348611665, 557778664, 697223330, 1394446660, 2788893320]

約数ペア:

[(1, 2788893320), (2, 1394446660), (4, 697223330), (5, 557778664), (8, 348611665), (10, 278889332), (20, 139444666), (40, 69722333), (89, 31335880), (167, 16699960), (178, 15667940), (334, 8349980), (356, 7833970), (445, 6267176), (668, 4174990), (712, 3916985), (835, 3339992), (890, 3133588), (1336, 2087495), (1670, 1669996), (1780, 1566794), (3340, 834998), (3560, 783397), (4691, 594520), (6680, 417499), (9382, 297260), (14863, 187640), (18764, 148630), (23455, 118904), (29726, 93820), (37528, 74315), (46910, 59452)]