81300100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 214791808

約数和(自身を除く): 133491708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 43, 50, 70, 73, 74, 86, 100, 140, 146, 148, 172, 175, 185, 215, 259, 292, 301, 350, 365, 370, 430, 511, 518, 602, 700, 730, 740, 860, 925, 1022, 1036, 1075, 1204, 1295, 1460, 1505, 1591, 1825, 1850, 2044, 2150, 2555, 2590, 2701, 3010, 3139, 3182, 3650, 3700, 4300, 5110, 5180, 5402, 6020, 6278, 6364, 6475, 7300, 7525, 7955, 10220, 10804, 11137, 12556, 12775, 12950, 13505, 15050, 15695, 15910, 18907, 21973, 22274, 25550, 25900, 27010, 30100, 31390, 31820, 37814, 39775, 43946, 44548, 51100, 54020, 55685, 62780, 67525, 75628, 78475, 79550, 87892, 94535, 109865, 111370, 116143, 135050, 156950, 159100, 189070, 219730, 222740, 232286, 270100, 278425, 313900, 378140, 439460, 464572, 472675, 549325, 556850, 580715, 813001, 945350, 1098650, 1113700, 1161430, 1626002, 1890700, 2197300, 2322860, 2903575, 3252004, 4065005, 5807150, 8130010, 11614300, 16260020, 20325025, 40650050, 81300100]

約数ペア:

[(1, 81300100), (2, 40650050), (4, 20325025), (5, 16260020), (7, 11614300), (10, 8130010), (14, 5807150), (20, 4065005), (25, 3252004), (28, 2903575), (35, 2322860), (37, 2197300), (43, 1890700), (50, 1626002), (70, 1161430), (73, 1113700), (74, 1098650), (86, 945350), (100, 813001), (140, 580715), (146, 556850), (148, 549325), (172, 472675), (175, 464572), (185, 439460), (215, 378140), (259, 313900), (292, 278425), (301, 270100), (350, 232286), (365, 222740), (370, 219730), (430, 189070), (511, 159100), (518, 156950), (602, 135050), (700, 116143), (730, 111370), (740, 109865), (860, 94535), (925, 87892), (1022, 79550), (1036, 78475), (1075, 75628), (1204, 67525), (1295, 62780), (1460, 55685), (1505, 54020), (1591, 51100), (1825, 44548), (1850, 43946), (2044, 39775), (2150, 37814), (2555, 31820), (2590, 31390), (2701, 30100), (3010, 27010), (3139, 25900), (3182, 25550), (3650, 22274), (3700, 21973), (4300, 18907), (5110, 15910), (5180, 15695), (5402, 15050), (6020, 13505), (6278, 12950), (6364, 12775), (6475, 12556), (7300, 11137), (7525, 10804), (7955, 10220)]