83638900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 189987840

約数和(自身を除く): 106348940

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 151, 191, 290, 302, 382, 580, 604, 725, 755, 764, 955, 1450, 1510, 1910, 2900, 3020, 3775, 3820, 4379, 4775, 5539, 7550, 8758, 9550, 11078, 15100, 17516, 19100, 21895, 22156, 27695, 28841, 43790, 55390, 57682, 87580, 109475, 110780, 115364, 138475, 144205, 218950, 276950, 288410, 437900, 553900, 576820, 721025, 836389, 1442050, 1672778, 2884100, 3345556, 4181945, 8363890, 16727780, 20909725, 41819450, 83638900]

約数ペア:

[(1, 83638900), (2, 41819450), (4, 20909725), (5, 16727780), (10, 8363890), (20, 4181945), (25, 3345556), (29, 2884100), (50, 1672778), (58, 1442050), (100, 836389), (116, 721025), (145, 576820), (151, 553900), (191, 437900), (290, 288410), (302, 276950), (382, 218950), (580, 144205), (604, 138475), (725, 115364), (755, 110780), (764, 109475), (955, 87580), (1450, 57682), (1510, 55390), (1910, 43790), (2900, 28841), (3020, 27695), (3775, 22156), (3820, 21895), (4379, 19100), (4775, 17516), (5539, 15100), (7550, 11078), (8758, 9550)]