2116454620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{212923}}^1$

素因数の和:213010

約数の個数: 48

約数和(自身を含む): 5151057408

約数和(自身を除く): 3034602788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 212923, 425846, 851692, 1064615, 1490461, 2129230, 2980922, 4258460, 5961844, 7452305, 14904610, 15117533, 29809220, 30235066, 60470132, 75587665, 105822731, 151175330, 211645462, 302350660, 423290924, 529113655, 1058227310, 2116454620]

約数ペア:

[(1, 2116454620), (2, 1058227310), (4, 529113655), (5, 423290924), (7, 302350660), (10, 211645462), (14, 151175330), (20, 105822731), (28, 75587665), (35, 60470132), (70, 30235066), (71, 29809220), (140, 15117533), (142, 14904610), (284, 7452305), (355, 5961844), (497, 4258460), (710, 2980922), (994, 2129230), (1420, 1490461), (1988, 1064615), (2485, 851692), (4970, 425846), (9940, 212923)]