7976010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2035

約数の個数: 64

約数和(自身を含む): 23040000

約数和(自身を除く): 15063990

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 1999, 3990, 3998, 5997, 9995, 11994, 13993, 19990, 27986, 29985, 37981, 41979, 59970, 69965, 75962, 83958, 113943, 139930, 189905, 209895, 227886, 265867, 379810, 419790, 531734, 569715, 797601, 1139430, 1329335, 1595202, 2658670, 3988005, 7976010]

約数ペア:

[(1, 7976010), (2, 3988005), (3, 2658670), (5, 1595202), (6, 1329335), (7, 1139430), (10, 797601), (14, 569715), (15, 531734), (19, 419790), (21, 379810), (30, 265867), (35, 227886), (38, 209895), (42, 189905), (57, 139930), (70, 113943), (95, 83958), (105, 75962), (114, 69965), (133, 59970), (190, 41979), (210, 37981), (266, 29985), (285, 27986), (399, 19990), (570, 13993), (665, 11994), (798, 9995), (1330, 5997), (1995, 3998), (1999, 3990)]