866018860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{325571}}^1$

素因数の和:325606

約数の個数: 48

約数和(自身を含む): 2187843840

約数和(自身を除く): 1321824980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 325571, 651142, 1302284, 1627855, 2278997, 3255710, 4557994, 6185849, 6511420, 9115988, 11394985, 12371698, 22789970, 24743396, 30929245, 43300943, 45579940, 61858490, 86601886, 123716980, 173203772, 216504715, 433009430, 866018860]

約数ペア:

[(1, 866018860), (2, 433009430), (4, 216504715), (5, 173203772), (7, 123716980), (10, 86601886), (14, 61858490), (19, 45579940), (20, 43300943), (28, 30929245), (35, 24743396), (38, 22789970), (70, 12371698), (76, 11394985), (95, 9115988), (133, 6511420), (140, 6185849), (190, 4557994), (266, 3255710), (380, 2278997), (532, 1627855), (665, 1302284), (1330, 651142), (2660, 325571)]