28127940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6997}}^1$

素因数の和:7076

約数の個数: 48

約数和(自身を含む): 79945152

約数和(自身を除く): 51817212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 6997, 13994, 20991, 27988, 34985, 41982, 69970, 83964, 104955, 139940, 209910, 419820, 468799, 937598, 1406397, 1875196, 2343995, 2812794, 4687990, 5625588, 7031985, 9375980, 14063970, 28127940]

約数ペア:

[(1, 28127940), (2, 14063970), (3, 9375980), (4, 7031985), (5, 5625588), (6, 4687990), (10, 2812794), (12, 2343995), (15, 1875196), (20, 1406397), (30, 937598), (60, 468799), (67, 419820), (134, 209910), (201, 139940), (268, 104955), (335, 83964), (402, 69970), (670, 41982), (804, 34985), (1005, 27988), (1340, 20991), (2010, 13994), (4020, 6997)]