9999320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 24192000

約数和(自身を除く): 14192680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 223, 236, 295, 380, 446, 472, 590, 760, 892, 1115, 1121, 1180, 1784, 2230, 2242, 2360, 4237, 4460, 4484, 5605, 8474, 8920, 8968, 11210, 13157, 16948, 21185, 22420, 26314, 33896, 42370, 44840, 52628, 65785, 84740, 105256, 131570, 169480, 249983, 263140, 499966, 526280, 999932, 1249915, 1999864, 2499830, 4999660, 9999320]

約数ペア:

[(1, 9999320), (2, 4999660), (4, 2499830), (5, 1999864), (8, 1249915), (10, 999932), (19, 526280), (20, 499966), (38, 263140), (40, 249983), (59, 169480), (76, 131570), (95, 105256), (118, 84740), (152, 65785), (190, 52628), (223, 44840), (236, 42370), (295, 33896), (380, 26314), (446, 22420), (472, 21185), (590, 16948), (760, 13157), (892, 11210), (1115, 8968), (1121, 8920), (1180, 8474), (1784, 5605), (2230, 4484), (2242, 4460), (2360, 4237)]