198171490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 398908800

約数和(自身を除く): 200737310

約数列:

[1, 2, 5, 10, 11, 22, 55, 107, 110, 113, 149, 214, 226, 298, 535, 565, 745, 1070, 1130, 1177, 1243, 1490, 1639, 2354, 2486, 3278, 5885, 6215, 8195, 11770, 12091, 12430, 15943, 16390, 16837, 24182, 31886, 33674, 60455, 79715, 84185, 120910, 133001, 159430, 168370, 175373, 185207, 266002, 350746, 370414, 665005, 876865, 926035, 1330010, 1753730, 1801559, 1852070, 3603118, 9007795, 18015590, 19817149, 39634298, 99085745, 198171490]

約数ペア:

[(1, 198171490), (2, 99085745), (5, 39634298), (10, 19817149), (11, 18015590), (22, 9007795), (55, 3603118), (107, 1852070), (110, 1801559), (113, 1753730), (149, 1330010), (214, 926035), (226, 876865), (298, 665005), (535, 370414), (565, 350746), (745, 266002), (1070, 185207), (1130, 175373), (1177, 168370), (1243, 159430), (1490, 133001), (1639, 120910), (2354, 84185), (2486, 79715), (3278, 60455), (5885, 33674), (6215, 31886), (8195, 24182), (11770, 16837), (12091, 16390), (12430, 15943)]