200918737540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{419}}^1\times {\mathrm{12967}}^1$

素因数の和:13481

約数の個数: 72

約数和(自身を含む): 433034199360

約数和(自身を除く): 232115461820

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 419, 430, 838, 860, 1676, 1849, 2095, 3698, 4190, 7396, 8380, 9245, 12967, 18017, 18490, 25934, 36034, 36980, 51868, 64835, 72068, 90085, 129670, 180170, 259340, 360340, 557581, 774731, 1115162, 1549462, 2230324, 2787905, 3098924, 3873655, 5433173, 5575810, 7747310, 10866346, 11151620, 15494620, 21732692, 23975983, 27165865, 47951966, 54331730, 95903932, 108663460, 119879915, 233626439, 239759830, 467252878, 479519660, 934505756, 1168132195, 2336264390, 4672528780, 10045936877, 20091873754, 40183747508, 50229684385, 100459368770, 200918737540]

約数ペア:

[(1, 200918737540), (2, 100459368770), (4, 50229684385), (5, 40183747508), (10, 20091873754), (20, 10045936877), (43, 4672528780), (86, 2336264390), (172, 1168132195), (215, 934505756), (419, 479519660), (430, 467252878), (838, 239759830), (860, 233626439), (1676, 119879915), (1849, 108663460), (2095, 95903932), (3698, 54331730), (4190, 47951966), (7396, 27165865), (8380, 23975983), (9245, 21732692), (12967, 15494620), (18017, 11151620), (18490, 10866346), (25934, 7747310), (36034, 5575810), (36980, 5433173), (51868, 3873655), (64835, 3098924), (72068, 2787905), (90085, 2230324), (129670, 1549462), (180170, 1115162), (259340, 774731), (360340, 557581)]