17923780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{443}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 45799488

約数和(自身を除く): 27875708

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 289, 340, 443, 476, 578, 595, 886, 1156, 1190, 1445, 1772, 2023, 2215, 2380, 2890, 3101, 4046, 4430, 5780, 6202, 7531, 8092, 8860, 10115, 12404, 15062, 15505, 20230, 30124, 31010, 37655, 40460, 52717, 62020, 75310, 105434, 128027, 150620, 210868, 256054, 263585, 512108, 527170, 640135, 896189, 1054340, 1280270, 1792378, 2560540, 3584756, 4480945, 8961890, 17923780]

約数ペア:

[(1, 17923780), (2, 8961890), (4, 4480945), (5, 3584756), (7, 2560540), (10, 1792378), (14, 1280270), (17, 1054340), (20, 896189), (28, 640135), (34, 527170), (35, 512108), (68, 263585), (70, 256054), (85, 210868), (119, 150620), (140, 128027), (170, 105434), (238, 75310), (289, 62020), (340, 52717), (443, 40460), (476, 37655), (578, 31010), (595, 30124), (886, 20230), (1156, 15505), (1190, 15062), (1445, 12404), (1772, 10115), (2023, 8860), (2215, 8092), (2380, 7531), (2890, 6202), (3101, 5780), (4046, 4430)]