1004088400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{51229}}^1$

素因数の和:51261

約数の個数: 90

約数和(自身を含む): 2806225710

約数和(自身を除く): 1802137310

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, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4900, 9800, 19600, 51229, 102458, 204916, 256145, 358603, 409832, 512290, 717206, 819664, 1024580, 1280725, 1434412, 1793015, 2049160, 2510221, 2561450, 2868824, 3586030, 4098320, 5020442, 5122900, 5737648, 7172060, 8965075, 10040884, 10245800, 12551105, 14344120, 17930150, 20081768, 20491600, 25102210, 28688240, 35860300, 40163536, 50204420, 62755525, 71720600, 100408840, 125511050, 143441200, 200817680, 251022100, 502044200, 1004088400]

約数ペア:

[(1, 1004088400), (2, 502044200), (4, 251022100), (5, 200817680), (7, 143441200), (8, 125511050), (10, 100408840), (14, 71720600), (16, 62755525), (20, 50204420), (25, 40163536), (28, 35860300), (35, 28688240), (40, 25102210), (49, 20491600), (50, 20081768), (56, 17930150), (70, 14344120), (80, 12551105), (98, 10245800), (100, 10040884), (112, 8965075), (140, 7172060), (175, 5737648), (196, 5122900), (200, 5020442), (245, 4098320), (280, 3586030), (350, 2868824), (392, 2561450), (400, 2510221), (490, 2049160), (560, 1793015), (700, 1434412), (784, 1280725), (980, 1024580), (1225, 819664), (1400, 717206), (1960, 512290), (2450, 409832), (2800, 358603), (3920, 256145), (4900, 204916), (9800, 102458), (19600, 51229)]