28245870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1999}}^1$

素因数の和:2169

約数の個数: 48

約数和(自身を含む): 73944000

約数和(自身を除く): 45698130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1413, 1570, 1999, 2355, 2826, 3998, 4710, 5997, 7065, 9995, 11994, 14130, 17991, 19990, 29985, 35982, 59970, 89955, 179910, 313843, 627686, 941529, 1569215, 1883058, 2824587, 3138430, 4707645, 5649174, 9415290, 14122935, 28245870]

約数ペア:

[(1, 28245870), (2, 14122935), (3, 9415290), (5, 5649174), (6, 4707645), (9, 3138430), (10, 2824587), (15, 1883058), (18, 1569215), (30, 941529), (45, 627686), (90, 313843), (157, 179910), (314, 89955), (471, 59970), (785, 35982), (942, 29985), (1413, 19990), (1570, 17991), (1999, 14130), (2355, 11994), (2826, 9995), (3998, 7065), (4710, 5997)]