215997950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 476779008

約数和(自身を除く): 260781058

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 67, 70, 122, 134, 151, 175, 302, 305, 335, 350, 427, 469, 610, 670, 755, 854, 938, 1057, 1510, 1525, 1675, 2114, 2135, 2345, 3050, 3350, 3775, 4087, 4270, 4690, 5285, 7550, 8174, 9211, 10117, 10570, 10675, 11725, 18422, 20234, 20435, 21350, 23450, 26425, 28609, 40870, 46055, 50585, 52850, 57218, 64477, 70819, 92110, 101170, 102175, 128954, 141638, 143045, 204350, 230275, 252925, 286090, 322385, 354095, 460550, 505850, 617137, 644770, 708190, 715225, 1234274, 1430450, 1611925, 1770475, 3085685, 3223850, 3540950, 4319959, 6171370, 8639918, 15428425, 21599795, 30856850, 43199590, 107998975, 215997950]

約数ペア:

[(1, 215997950), (2, 107998975), (5, 43199590), (7, 30856850), (10, 21599795), (14, 15428425), (25, 8639918), (35, 6171370), (50, 4319959), (61, 3540950), (67, 3223850), (70, 3085685), (122, 1770475), (134, 1611925), (151, 1430450), (175, 1234274), (302, 715225), (305, 708190), (335, 644770), (350, 617137), (427, 505850), (469, 460550), (610, 354095), (670, 322385), (755, 286090), (854, 252925), (938, 230275), (1057, 204350), (1510, 143045), (1525, 141638), (1675, 128954), (2114, 102175), (2135, 101170), (2345, 92110), (3050, 70819), (3350, 64477), (3775, 57218), (4087, 52850), (4270, 50585), (4690, 46055), (5285, 40870), (7550, 28609), (8174, 26425), (9211, 23450), (10117, 21350), (10570, 20435), (10675, 20234), (11725, 18422)]