478952404

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{1999}}^1$

素因数の和:2252

約数の個数: 48

約数和(自身を含む): 985600000

約数和(自身を除く): 506647596

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 199, 301, 398, 602, 796, 1204, 1393, 1999, 2786, 3998, 5572, 7996, 8557, 13993, 17114, 27986, 34228, 55972, 59899, 85957, 119798, 171914, 239596, 343828, 397801, 601699, 795602, 1203398, 1591204, 2406796, 2784607, 5569214, 11138428, 17105443, 34210886, 68421772, 119738101, 239476202, 478952404]

約数ペア:

[(1, 478952404), (2, 239476202), (4, 119738101), (7, 68421772), (14, 34210886), (28, 17105443), (43, 11138428), (86, 5569214), (172, 2784607), (199, 2406796), (301, 1591204), (398, 1203398), (602, 795602), (796, 601699), (1204, 397801), (1393, 343828), (1999, 239596), (2786, 171914), (3998, 119798), (5572, 85957), (7996, 59899), (8557, 55972), (13993, 34228), (17114, 27986)]