254757890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{601}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 509725440

約数和(自身を除く): 254967550

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 97, 115, 190, 194, 230, 437, 485, 601, 874, 970, 1202, 1843, 2185, 2231, 3005, 3686, 4370, 4462, 6010, 9215, 11155, 11419, 13823, 18430, 22310, 22838, 27646, 42389, 57095, 58297, 69115, 84778, 114190, 116594, 138230, 211945, 262637, 291485, 423890, 525274, 582970, 1107643, 1313185, 1340831, 2215286, 2626370, 2681662, 5538215, 6704155, 11076430, 13408310, 25475789, 50951578, 127378945, 254757890]

約数ペア:

[(1, 254757890), (2, 127378945), (5, 50951578), (10, 25475789), (19, 13408310), (23, 11076430), (38, 6704155), (46, 5538215), (95, 2681662), (97, 2626370), (115, 2215286), (190, 1340831), (194, 1313185), (230, 1107643), (437, 582970), (485, 525274), (601, 423890), (874, 291485), (970, 262637), (1202, 211945), (1843, 138230), (2185, 116594), (2231, 114190), (3005, 84778), (3686, 69115), (4370, 58297), (4462, 57095), (6010, 42389), (9215, 27646), (11155, 22838), (11419, 22310), (13823, 18430)]