42917840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:636

約数の個数: 80

約数和(自身を含む): 114956928

約数和(自身を除く): 72039088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 173, 280, 346, 443, 560, 692, 865, 886, 1211, 1384, 1730, 1772, 2215, 2422, 2768, 3101, 3460, 3544, 4430, 4844, 6055, 6202, 6920, 7088, 8860, 9688, 12110, 12404, 13840, 15505, 17720, 19376, 24220, 24808, 31010, 35440, 48440, 49616, 62020, 76639, 96880, 124040, 153278, 248080, 306556, 383195, 536473, 613112, 766390, 1072946, 1226224, 1532780, 2145892, 2682365, 3065560, 4291784, 5364730, 6131120, 8583568, 10729460, 21458920, 42917840]

約数ペア:

[(1, 42917840), (2, 21458920), (4, 10729460), (5, 8583568), (7, 6131120), (8, 5364730), (10, 4291784), (14, 3065560), (16, 2682365), (20, 2145892), (28, 1532780), (35, 1226224), (40, 1072946), (56, 766390), (70, 613112), (80, 536473), (112, 383195), (140, 306556), (173, 248080), (280, 153278), (346, 124040), (443, 96880), (560, 76639), (692, 62020), (865, 49616), (886, 48440), (1211, 35440), (1384, 31010), (1730, 24808), (1772, 24220), (2215, 19376), (2422, 17720), (2768, 15505), (3101, 13840), (3460, 12404), (3544, 12110), (4430, 9688), (4844, 8860), (6055, 7088), (6202, 6920)]