198535540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61657}}^1$

素因数の和:61696

約数の個数: 48

約数和(自身を含む): 497210112

約数和(自身を除く): 298674572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 61657, 123314, 246628, 308285, 431599, 616570, 863198, 1233140, 1418111, 1726396, 2157995, 2836222, 4315990, 5672444, 7090555, 8631980, 9926777, 14181110, 19853554, 28362220, 39707108, 49633885, 99267770, 198535540]

約数ペア:

[(1, 198535540), (2, 99267770), (4, 49633885), (5, 39707108), (7, 28362220), (10, 19853554), (14, 14181110), (20, 9926777), (23, 8631980), (28, 7090555), (35, 5672444), (46, 4315990), (70, 2836222), (92, 2157995), (115, 1726396), (140, 1418111), (161, 1233140), (230, 863198), (322, 616570), (460, 431599), (644, 308285), (805, 246628), (1610, 123314), (3220, 61657)]