51691400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 129158400

約数和(自身を除く): 77467000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 61, 76, 95, 100, 122, 152, 190, 200, 223, 244, 305, 380, 446, 475, 488, 610, 760, 892, 950, 1115, 1159, 1220, 1525, 1784, 1900, 2230, 2318, 2440, 3050, 3800, 4237, 4460, 4636, 5575, 5795, 6100, 8474, 8920, 9272, 11150, 11590, 12200, 13603, 16948, 21185, 22300, 23180, 27206, 28975, 33896, 42370, 44600, 46360, 54412, 57950, 68015, 84740, 105925, 108824, 115900, 136030, 169480, 211850, 231800, 258457, 272060, 340075, 423700, 516914, 544120, 680150, 847400, 1033828, 1292285, 1360300, 2067656, 2584570, 2720600, 5169140, 6461425, 10338280, 12922850, 25845700, 51691400]

約数ペア:

[(1, 51691400), (2, 25845700), (4, 12922850), (5, 10338280), (8, 6461425), (10, 5169140), (19, 2720600), (20, 2584570), (25, 2067656), (38, 1360300), (40, 1292285), (50, 1033828), (61, 847400), (76, 680150), (95, 544120), (100, 516914), (122, 423700), (152, 340075), (190, 272060), (200, 258457), (223, 231800), (244, 211850), (305, 169480), (380, 136030), (446, 115900), (475, 108824), (488, 105925), (610, 84740), (760, 68015), (892, 57950), (950, 54412), (1115, 46360), (1159, 44600), (1220, 42370), (1525, 33896), (1784, 28975), (1900, 27206), (2230, 23180), (2318, 22300), (2440, 21185), (3050, 16948), (3800, 13603), (4237, 12200), (4460, 11590), (4636, 11150), (5575, 9272), (5795, 8920), (6100, 8474)]