173956910

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1\times {\mathrm{389}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 316910880

約数和(自身を除く): 142953970

約数列:

[1, 2, 5, 10, 197, 227, 389, 394, 454, 778, 985, 1135, 1945, 1970, 2270, 3890, 44719, 76633, 88303, 89438, 153266, 176606, 223595, 383165, 441515, 447190, 766330, 883030, 17395691, 34791382, 86978455, 173956910]

約数ペア:

[(1, 173956910), (2, 86978455), (5, 34791382), (10, 17395691), (197, 883030), (227, 766330), (389, 447190), (394, 441515), (454, 383165), (778, 223595), (985, 176606), (1135, 153266), (1945, 89438), (1970, 88303), (2270, 76633), (3890, 44719)]