2158165700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{7069}}^1$

素因数の和:7197

約数の個数: 72

約数和(自身を含む): 4860313920

約数和(自身を除く): 2702148220

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 71, 86, 100, 142, 172, 215, 284, 355, 430, 710, 860, 1075, 1420, 1775, 2150, 3053, 3550, 4300, 6106, 7069, 7100, 12212, 14138, 15265, 28276, 30530, 35345, 61060, 70690, 76325, 141380, 152650, 176725, 303967, 305300, 353450, 501899, 607934, 706900, 1003798, 1215868, 1519835, 2007596, 2509495, 3039670, 5018990, 6079340, 7599175, 10037980, 12547475, 15198350, 21581657, 25094950, 30396700, 43163314, 50189900, 86326628, 107908285, 215816570, 431633140, 539541425, 1079082850, 2158165700]

約数ペア:

[(1, 2158165700), (2, 1079082850), (4, 539541425), (5, 431633140), (10, 215816570), (20, 107908285), (25, 86326628), (43, 50189900), (50, 43163314), (71, 30396700), (86, 25094950), (100, 21581657), (142, 15198350), (172, 12547475), (215, 10037980), (284, 7599175), (355, 6079340), (430, 5018990), (710, 3039670), (860, 2509495), (1075, 2007596), (1420, 1519835), (1775, 1215868), (2150, 1003798), (3053, 706900), (3550, 607934), (4300, 501899), (6106, 353450), (7069, 305300), (7100, 303967), (12212, 176725), (14138, 152650), (15265, 141380), (28276, 76325), (30530, 70690), (35345, 61060)]