129709400

素因数分解:

$2^3\times 5^2\times {\mathrm{773}}^1\times {\mathrm{839}}^1$

素因数の和:1628

約数の個数: 48

約数和(自身を含む): 302324400

約数和(自身を除く): 172615000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 773, 839, 1546, 1678, 3092, 3356, 3865, 4195, 6184, 6712, 7730, 8390, 15460, 16780, 19325, 20975, 30920, 33560, 38650, 41950, 77300, 83900, 154600, 167800, 648547, 1297094, 2594188, 3242735, 5188376, 6485470, 12970940, 16213675, 25941880, 32427350, 64854700, 129709400]

約数ペア:

[(1, 129709400), (2, 64854700), (4, 32427350), (5, 25941880), (8, 16213675), (10, 12970940), (20, 6485470), (25, 5188376), (40, 3242735), (50, 2594188), (100, 1297094), (200, 648547), (773, 167800), (839, 154600), (1546, 83900), (1678, 77300), (3092, 41950), (3356, 38650), (3865, 33560), (4195, 30920), (6184, 20975), (6712, 19325), (7730, 16780), (8390, 15460)]