3980680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 9979200

約数和(自身を除く): 5998520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 83, 88, 109, 110, 166, 218, 220, 332, 415, 436, 440, 545, 664, 830, 872, 913, 1090, 1199, 1660, 1826, 2180, 2398, 3320, 3652, 4360, 4565, 4796, 5995, 7304, 9047, 9130, 9592, 11990, 18094, 18260, 23980, 36188, 36520, 45235, 47960, 72376, 90470, 99517, 180940, 199034, 361880, 398068, 497585, 796136, 995170, 1990340, 3980680]

約数ペア:

[(1, 3980680), (2, 1990340), (4, 995170), (5, 796136), (8, 497585), (10, 398068), (11, 361880), (20, 199034), (22, 180940), (40, 99517), (44, 90470), (55, 72376), (83, 47960), (88, 45235), (109, 36520), (110, 36188), (166, 23980), (218, 18260), (220, 18094), (332, 11990), (415, 9592), (436, 9130), (440, 9047), (545, 7304), (664, 5995), (830, 4796), (872, 4565), (913, 4360), (1090, 3652), (1199, 3320), (1660, 2398), (1826, 2180)]