200011640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{907}}^1$

素因数の和:1104

約数の個数: 64

約数和(自身を含む): 465804000

約数和(自身を除く): 265792360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 149, 185, 296, 298, 370, 596, 740, 745, 907, 1192, 1480, 1490, 1814, 2980, 3628, 4535, 5513, 5960, 7256, 9070, 11026, 18140, 22052, 27565, 33559, 36280, 44104, 55130, 67118, 110260, 134236, 135143, 167795, 220520, 268472, 270286, 335590, 540572, 671180, 675715, 1081144, 1342360, 1351430, 2702860, 5000291, 5405720, 10000582, 20001164, 25001455, 40002328, 50002910, 100005820, 200011640]

約数ペア:

[(1, 200011640), (2, 100005820), (4, 50002910), (5, 40002328), (8, 25001455), (10, 20001164), (20, 10000582), (37, 5405720), (40, 5000291), (74, 2702860), (148, 1351430), (149, 1342360), (185, 1081144), (296, 675715), (298, 671180), (370, 540572), (596, 335590), (740, 270286), (745, 268472), (907, 220520), (1192, 167795), (1480, 135143), (1490, 134236), (1814, 110260), (2980, 67118), (3628, 55130), (4535, 44104), (5513, 36280), (5960, 33559), (7256, 27565), (9070, 22052), (11026, 18140)]