840218484

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{5693}}^1$

素因数の和:5965

約数の個数: 72

約数和(自身を含む): 2290081248

約数和(自身を除く): 1449862764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 251, 294, 502, 588, 753, 1004, 1506, 1757, 3012, 3514, 5271, 5693, 7028, 10542, 11386, 12299, 17079, 21084, 22772, 24598, 34158, 36897, 39851, 49196, 68316, 73794, 79702, 119553, 147588, 159404, 239106, 278957, 478212, 557914, 836871, 1115828, 1428943, 1673742, 2857886, 3347484, 4286829, 5715772, 8573658, 10002601, 17147316, 20005202, 30007803, 40010404, 60015606, 70018207, 120031212, 140036414, 210054621, 280072828, 420109242, 840218484]

約数ペア:

[(1, 840218484), (2, 420109242), (3, 280072828), (4, 210054621), (6, 140036414), (7, 120031212), (12, 70018207), (14, 60015606), (21, 40010404), (28, 30007803), (42, 20005202), (49, 17147316), (84, 10002601), (98, 8573658), (147, 5715772), (196, 4286829), (251, 3347484), (294, 2857886), (502, 1673742), (588, 1428943), (753, 1115828), (1004, 836871), (1506, 557914), (1757, 478212), (3012, 278957), (3514, 239106), (5271, 159404), (5693, 147588), (7028, 119553), (10542, 79702), (11386, 73794), (12299, 68316), (17079, 49196), (21084, 39851), (22772, 36897), (24598, 34158)]