204067280

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{7309}}^1$

素因数の和:7671

約数の個数: 40

約数和(自身を含む): 475881000

約数和(自身を除く): 271813720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 2792, 3490, 5584, 6980, 7309, 13960, 14618, 27920, 29236, 36545, 58472, 73090, 116944, 146180, 292360, 584720, 2550841, 5101682, 10203364, 12754205, 20406728, 25508410, 40813456, 51016820, 102033640, 204067280]

約数ペア:

[(1, 204067280), (2, 102033640), (4, 51016820), (5, 40813456), (8, 25508410), (10, 20406728), (16, 12754205), (20, 10203364), (40, 5101682), (80, 2550841), (349, 584720), (698, 292360), (1396, 146180), (1745, 116944), (2792, 73090), (3490, 58472), (5584, 36545), (6980, 29236), (7309, 27920), (13960, 14618)]