211854780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^2\times {\mathrm{419}}^1$

素因数の和:540

約数の個数: 108

約数和(自身を含む): 656543160

約数和(自身を除く): 444688380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 419, 477, 530, 636, 795, 838, 954, 1060, 1257, 1590, 1676, 1908, 2095, 2385, 2514, 2809, 3180, 3771, 4190, 4770, 5028, 5618, 6285, 7542, 8380, 8427, 9540, 11236, 12570, 14045, 15084, 16854, 18855, 22207, 25140, 25281, 28090, 33708, 37710, 42135, 44414, 50562, 56180, 66621, 75420, 84270, 88828, 101124, 111035, 126405, 133242, 168540, 199863, 222070, 252810, 266484, 333105, 399726, 444140, 505620, 666210, 799452, 999315, 1176971, 1332420, 1998630, 2353942, 3530913, 3997260, 4707884, 5884855, 7061826, 10592739, 11769710, 14123652, 17654565, 21185478, 23539420, 35309130, 42370956, 52963695, 70618260, 105927390, 211854780]

約数ペア:

[(1, 211854780), (2, 105927390), (3, 70618260), (4, 52963695), (5, 42370956), (6, 35309130), (9, 23539420), (10, 21185478), (12, 17654565), (15, 14123652), (18, 11769710), (20, 10592739), (30, 7061826), (36, 5884855), (45, 4707884), (53, 3997260), (60, 3530913), (90, 2353942), (106, 1998630), (159, 1332420), (180, 1176971), (212, 999315), (265, 799452), (318, 666210), (419, 505620), (477, 444140), (530, 399726), (636, 333105), (795, 266484), (838, 252810), (954, 222070), (1060, 199863), (1257, 168540), (1590, 133242), (1676, 126405), (1908, 111035), (2095, 101124), (2385, 88828), (2514, 84270), (2809, 75420), (3180, 66621), (3771, 56180), (4190, 50562), (4770, 44414), (5028, 42135), (5618, 37710), (6285, 33708), (7542, 28090), (8380, 25281), (8427, 25140), (9540, 22207), (11236, 18855), (12570, 16854), (14045, 15084)]