312688600

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{31907}}^1$

素因数の和:31937

約数の個数: 72

約数和(自身を含む): 845721540

約数和(自身を除く): 533032940

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, 4900, 9800, 31907, 63814, 127628, 159535, 223349, 255256, 319070, 446698, 638140, 797675, 893396, 1116745, 1276280, 1563443, 1595350, 1786792, 2233490, 3126886, 3190700, 4466980, 5583725, 6253772, 6381400, 7817215, 8933960, 11167450, 12507544, 15634430, 22334900, 31268860, 39086075, 44669800, 62537720, 78172150, 156344300, 312688600]

約数ペア:

[(1, 312688600), (2, 156344300), (4, 78172150), (5, 62537720), (7, 44669800), (8, 39086075), (10, 31268860), (14, 22334900), (20, 15634430), (25, 12507544), (28, 11167450), (35, 8933960), (40, 7817215), (49, 6381400), (50, 6253772), (56, 5583725), (70, 4466980), (98, 3190700), (100, 3126886), (140, 2233490), (175, 1786792), (196, 1595350), (200, 1563443), (245, 1276280), (280, 1116745), (350, 893396), (392, 797675), (490, 638140), (700, 446698), (980, 319070), (1225, 255256), (1400, 223349), (1960, 159535), (2450, 127628), (4900, 63814), (9800, 31907)]