2864840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 7464960

約数和(自身を除く): 4600120

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, 383, 440, 680, 748, 766, 935, 1496, 1532, 1870, 1915, 3064, 3740, 3830, 4213, 6511, 7480, 7660, 8426, 13022, 15320, 16852, 21065, 26044, 32555, 33704, 42130, 52088, 65110, 71621, 84260, 130220, 143242, 168520, 260440, 286484, 358105, 572968, 716210, 1432420, 2864840]

約数ペア:

[(1, 2864840), (2, 1432420), (4, 716210), (5, 572968), (8, 358105), (10, 286484), (11, 260440), (17, 168520), (20, 143242), (22, 130220), (34, 84260), (40, 71621), (44, 65110), (55, 52088), (68, 42130), (85, 33704), (88, 32555), (110, 26044), (136, 21065), (170, 16852), (187, 15320), (220, 13022), (340, 8426), (374, 7660), (383, 7480), (440, 6511), (680, 4213), (748, 3830), (766, 3740), (935, 3064), (1496, 1915), (1532, 1870)]