179973968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1999}}^1$

素因数の和:2355

約数の個数: 40

約数和(自身を含む): 370512000

約数和(自身を除く): 190538032

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 331, 662, 1324, 1999, 2648, 3998, 5296, 5627, 7996, 11254, 15992, 22508, 31984, 33983, 45016, 67966, 90032, 135932, 271864, 543728, 661669, 1323338, 2646676, 5293352, 10586704, 11248373, 22496746, 44993492, 89986984, 179973968]

約数ペア:

[(1, 179973968), (2, 89986984), (4, 44993492), (8, 22496746), (16, 11248373), (17, 10586704), (34, 5293352), (68, 2646676), (136, 1323338), (272, 661669), (331, 543728), (662, 271864), (1324, 135932), (1999, 90032), (2648, 67966), (3998, 45016), (5296, 33983), (5627, 31984), (7996, 22508), (11254, 15992)]