2909720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 7581600

約数和(自身を除く): 4671880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 389, 440, 680, 748, 778, 935, 1496, 1556, 1870, 1945, 3112, 3740, 3890, 4279, 6613, 7480, 7780, 8558, 13226, 15560, 17116, 21395, 26452, 33065, 34232, 42790, 52904, 66130, 72743, 85580, 132260, 145486, 171160, 264520, 290972, 363715, 581944, 727430, 1454860, 2909720]

約数ペア:

[(1, 2909720), (2, 1454860), (4, 727430), (5, 581944), (8, 363715), (10, 290972), (11, 264520), (17, 171160), (20, 145486), (22, 132260), (34, 85580), (40, 72743), (44, 66130), (55, 52904), (68, 42790), (85, 34232), (88, 33065), (110, 26452), (136, 21395), (170, 17116), (187, 15560), (220, 13226), (340, 8558), (374, 7780), (389, 7480), (440, 6613), (680, 4279), (748, 3890), (778, 3740), (935, 3112), (1496, 1945), (1556, 1870)]