131231800

素因数分解:

$2^3\times 5^2\times 7^3\times {\mathrm{1913}}^1$

素因数の和:1950

約数の個数: 96

約数和(自身を含む): 356004000

約数和(自身を除く): 224772200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 343, 350, 392, 490, 686, 700, 980, 1225, 1372, 1400, 1715, 1913, 1960, 2450, 2744, 3430, 3826, 4900, 6860, 7652, 8575, 9565, 9800, 13391, 13720, 15304, 17150, 19130, 26782, 34300, 38260, 47825, 53564, 66955, 68600, 76520, 93737, 95650, 107128, 133910, 187474, 191300, 267820, 334775, 374948, 382600, 468685, 535640, 656159, 669550, 749896, 937370, 1312318, 1339100, 1874740, 2343425, 2624636, 2678200, 3280795, 3749480, 4686850, 5249272, 6561590, 9373700, 13123180, 16403975, 18747400, 26246360, 32807950, 65615900, 131231800]

約数ペア:

[(1, 131231800), (2, 65615900), (4, 32807950), (5, 26246360), (7, 18747400), (8, 16403975), (10, 13123180), (14, 9373700), (20, 6561590), (25, 5249272), (28, 4686850), (35, 3749480), (40, 3280795), (49, 2678200), (50, 2624636), (56, 2343425), (70, 1874740), (98, 1339100), (100, 1312318), (140, 937370), (175, 749896), (196, 669550), (200, 656159), (245, 535640), (280, 468685), (343, 382600), (350, 374948), (392, 334775), (490, 267820), (686, 191300), (700, 187474), (980, 133910), (1225, 107128), (1372, 95650), (1400, 93737), (1715, 76520), (1913, 68600), (1960, 66955), (2450, 53564), (2744, 47825), (3430, 38260), (3826, 34300), (4900, 26782), (6860, 19130), (7652, 17150), (8575, 15304), (9565, 13720), (9800, 13391)]