17939174300

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{181387}}^1$

素因数の和:181467

約数の個数: 72

約数和(自身を含む): 41565422976

約数和(自身を除く): 23626248676

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 43, 46, 50, 86, 92, 100, 115, 172, 215, 230, 430, 460, 575, 860, 989, 1075, 1150, 1978, 2150, 2300, 3956, 4300, 4945, 9890, 19780, 24725, 49450, 98900, 181387, 362774, 725548, 906935, 1813870, 3627740, 4171901, 4534675, 7799641, 8343802, 9069350, 15599282, 16687604, 18138700, 20859505, 31198564, 38998205, 41719010, 77996410, 83438020, 104297525, 155992820, 179391743, 194991025, 208595050, 358783486, 389982050, 417190100, 717566972, 779964100, 896958715, 1793917430, 3587834860, 4484793575, 8969587150, 17939174300]

約数ペア:

[(1, 17939174300), (2, 8969587150), (4, 4484793575), (5, 3587834860), (10, 1793917430), (20, 896958715), (23, 779964100), (25, 717566972), (43, 417190100), (46, 389982050), (50, 358783486), (86, 208595050), (92, 194991025), (100, 179391743), (115, 155992820), (172, 104297525), (215, 83438020), (230, 77996410), (430, 41719010), (460, 38998205), (575, 31198564), (860, 20859505), (989, 18138700), (1075, 16687604), (1150, 15599282), (1978, 9069350), (2150, 8343802), (2300, 7799641), (3956, 4534675), (4300, 4171901), (4945, 3627740), (9890, 1813870), (19780, 906935), (24725, 725548), (49450, 362774), (98900, 181387)]