198900320

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{54049}}^1$

素因数の和:54087

約数の個数: 48

約数和(自身を含む): 490341600

約数和(自身を除く): 291441280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 54049, 108098, 216196, 270245, 432392, 540490, 864784, 1080980, 1243127, 1729568, 2161960, 2486254, 4323920, 4972508, 6215635, 8647840, 9945016, 12431270, 19890032, 24862540, 39780064, 49725080, 99450160, 198900320]

約数ペア:

[(1, 198900320), (2, 99450160), (4, 49725080), (5, 39780064), (8, 24862540), (10, 19890032), (16, 12431270), (20, 9945016), (23, 8647840), (32, 6215635), (40, 4972508), (46, 4323920), (80, 2486254), (92, 2161960), (115, 1729568), (160, 1243127), (184, 1080980), (230, 864784), (368, 540490), (460, 432392), (736, 270245), (920, 216196), (1840, 108098), (3680, 54049)]