196098920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4957}}^1$

素因数の和:5034

約数の個数: 64

約数和(自身を含む): 471208320

約数和(自身を除く): 275109400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 3956, 4945, 4957, 7912, 9890, 9914, 19780, 19828, 24785, 39560, 39656, 49570, 99140, 114011, 198280, 213151, 228022, 426302, 456044, 570055, 852604, 912088, 1065755, 1140110, 1705208, 2131510, 2280220, 4263020, 4560440, 4902473, 8526040, 9804946, 19609892, 24512365, 39219784, 49024730, 98049460, 196098920]

約数ペア:

[(1, 196098920), (2, 98049460), (4, 49024730), (5, 39219784), (8, 24512365), (10, 19609892), (20, 9804946), (23, 8526040), (40, 4902473), (43, 4560440), (46, 4263020), (86, 2280220), (92, 2131510), (115, 1705208), (172, 1140110), (184, 1065755), (215, 912088), (230, 852604), (344, 570055), (430, 456044), (460, 426302), (860, 228022), (920, 213151), (989, 198280), (1720, 114011), (1978, 99140), (3956, 49570), (4945, 39656), (4957, 39560), (7912, 24785), (9890, 19828), (9914, 19780)]