27798310

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 51336000

約数和(自身を除く): 23537690

約数列:

[1, 2, 5, 10, 61, 122, 199, 229, 305, 398, 458, 610, 995, 1145, 1990, 2290, 12139, 13969, 24278, 27938, 45571, 60695, 69845, 91142, 121390, 139690, 227855, 455710, 2779831, 5559662, 13899155, 27798310]

約数ペア:

[(1, 27798310), (2, 13899155), (5, 5559662), (10, 2779831), (61, 455710), (122, 227855), (199, 139690), (229, 121390), (305, 91142), (398, 69845), (458, 60695), (610, 45571), (995, 27938), (1145, 24278), (1990, 13969), (2290, 12139)]