31389400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{3203}}^1$

素因数の和:3233

約数の個数: 72

約数和(自身を含む): 84922020

約数和(自身を除く): 53532620

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, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 3203, 4900, 6406, 9800, 12812, 16015, 22421, 25624, 32030, 44842, 64060, 80075, 89684, 112105, 128120, 156947, 160150, 179368, 224210, 313894, 320300, 448420, 560525, 627788, 640600, 784735, 896840, 1121050, 1255576, 1569470, 2242100, 3138940, 3923675, 4484200, 6277880, 7847350, 15694700, 31389400]

約数ペア:

[(1, 31389400), (2, 15694700), (4, 7847350), (5, 6277880), (7, 4484200), (8, 3923675), (10, 3138940), (14, 2242100), (20, 1569470), (25, 1255576), (28, 1121050), (35, 896840), (40, 784735), (49, 640600), (50, 627788), (56, 560525), (70, 448420), (98, 320300), (100, 313894), (140, 224210), (175, 179368), (196, 160150), (200, 156947), (245, 128120), (280, 112105), (350, 89684), (392, 80075), (490, 64060), (700, 44842), (980, 32030), (1225, 25624), (1400, 22421), (1960, 16015), (2450, 12812), (3203, 9800), (4900, 6406)]