4640680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 11664000

約数和(自身を除く): 7023320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 199, 212, 220, 265, 398, 424, 440, 530, 583, 796, 995, 1060, 1166, 1592, 1990, 2120, 2189, 2332, 2915, 3980, 4378, 4664, 5830, 7960, 8756, 10547, 10945, 11660, 17512, 21094, 21890, 23320, 42188, 43780, 52735, 84376, 87560, 105470, 116017, 210940, 232034, 421880, 464068, 580085, 928136, 1160170, 2320340, 4640680]

約数ペア:

[(1, 4640680), (2, 2320340), (4, 1160170), (5, 928136), (8, 580085), (10, 464068), (11, 421880), (20, 232034), (22, 210940), (40, 116017), (44, 105470), (53, 87560), (55, 84376), (88, 52735), (106, 43780), (110, 42188), (199, 23320), (212, 21890), (220, 21094), (265, 17512), (398, 11660), (424, 10945), (440, 10547), (530, 8756), (583, 7960), (796, 5830), (995, 4664), (1060, 4378), (1166, 3980), (1592, 2915), (1990, 2332), (2120, 2189)]