28738160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1$

素因数の和:171

約数の個数: 120

約数和(自身を含む): 78115536

約数和(自身を除く): 49377376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 113, 136, 170, 176, 187, 220, 226, 272, 289, 340, 374, 440, 452, 565, 578, 680, 748, 880, 904, 935, 1130, 1156, 1243, 1360, 1445, 1496, 1808, 1870, 1921, 2260, 2312, 2486, 2890, 2992, 3179, 3740, 3842, 4520, 4624, 4972, 5780, 6215, 6358, 7480, 7684, 9040, 9605, 9944, 11560, 12430, 12716, 14960, 15368, 15895, 19210, 19888, 21131, 23120, 24860, 25432, 30736, 31790, 32657, 38420, 42262, 49720, 50864, 63580, 65314, 76840, 84524, 99440, 105655, 127160, 130628, 153680, 163285, 169048, 211310, 254320, 261256, 326570, 338096, 359227, 422620, 522512, 653140, 718454, 845240, 1306280, 1436908, 1690480, 1796135, 2612560, 2873816, 3592270, 5747632, 7184540, 14369080, 28738160]

約数ペア:

[(1, 28738160), (2, 14369080), (4, 7184540), (5, 5747632), (8, 3592270), (10, 2873816), (11, 2612560), (16, 1796135), (17, 1690480), (20, 1436908), (22, 1306280), (34, 845240), (40, 718454), (44, 653140), (55, 522512), (68, 422620), (80, 359227), (85, 338096), (88, 326570), (110, 261256), (113, 254320), (136, 211310), (170, 169048), (176, 163285), (187, 153680), (220, 130628), (226, 127160), (272, 105655), (289, 99440), (340, 84524), (374, 76840), (440, 65314), (452, 63580), (565, 50864), (578, 49720), (680, 42262), (748, 38420), (880, 32657), (904, 31790), (935, 30736), (1130, 25432), (1156, 24860), (1243, 23120), (1360, 21131), (1445, 19888), (1496, 19210), (1808, 15895), (1870, 15368), (1921, 14960), (2260, 12716), (2312, 12430), (2486, 11560), (2890, 9944), (2992, 9605), (3179, 9040), (3740, 7684), (3842, 7480), (4520, 6358), (4624, 6215), (4972, 5780)]