2489200

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{127}}^1$

素因数の和:159

約数の個数: 90

約数和(自身を含む): 7011456

約数和(自身を除く): 4522256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 127, 140, 175, 196, 200, 245, 254, 280, 350, 392, 400, 490, 508, 560, 635, 700, 784, 889, 980, 1016, 1225, 1270, 1400, 1778, 1960, 2032, 2450, 2540, 2800, 3175, 3556, 3920, 4445, 4900, 5080, 6223, 6350, 7112, 8890, 9800, 10160, 12446, 12700, 14224, 17780, 19600, 22225, 24892, 25400, 31115, 35560, 44450, 49784, 50800, 62230, 71120, 88900, 99568, 124460, 155575, 177800, 248920, 311150, 355600, 497840, 622300, 1244600, 2489200]

約数ペア:

[(1, 2489200), (2, 1244600), (4, 622300), (5, 497840), (7, 355600), (8, 311150), (10, 248920), (14, 177800), (16, 155575), (20, 124460), (25, 99568), (28, 88900), (35, 71120), (40, 62230), (49, 50800), (50, 49784), (56, 44450), (70, 35560), (80, 31115), (98, 25400), (100, 24892), (112, 22225), (127, 19600), (140, 17780), (175, 14224), (196, 12700), (200, 12446), (245, 10160), (254, 9800), (280, 8890), (350, 7112), (392, 6350), (400, 6223), (490, 5080), (508, 4900), (560, 4445), (635, 3920), (700, 3556), (784, 3175), (889, 2800), (980, 2540), (1016, 2450), (1225, 2032), (1270, 1960), (1400, 1778)]