154650020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{359}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 396264960

約数和(自身を除く): 241614940

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 181, 238, 340, 359, 362, 476, 595, 718, 724, 905, 1190, 1267, 1436, 1795, 1810, 2380, 2513, 2534, 3077, 3590, 3620, 5026, 5068, 6103, 6154, 6335, 7180, 10052, 12206, 12308, 12565, 12670, 15385, 21539, 24412, 25130, 25340, 30515, 30770, 42721, 43078, 50260, 61030, 61540, 64979, 85442, 86156, 107695, 122060, 129958, 170884, 213605, 215390, 259916, 324895, 427210, 430780, 454853, 649790, 854420, 909706, 1104643, 1299580, 1819412, 2209286, 2274265, 4418572, 4548530, 5523215, 7732501, 9097060, 11046430, 15465002, 22092860, 30930004, 38662505, 77325010, 154650020]

約数ペア:

[(1, 154650020), (2, 77325010), (4, 38662505), (5, 30930004), (7, 22092860), (10, 15465002), (14, 11046430), (17, 9097060), (20, 7732501), (28, 5523215), (34, 4548530), (35, 4418572), (68, 2274265), (70, 2209286), (85, 1819412), (119, 1299580), (140, 1104643), (170, 909706), (181, 854420), (238, 649790), (340, 454853), (359, 430780), (362, 427210), (476, 324895), (595, 259916), (718, 215390), (724, 213605), (905, 170884), (1190, 129958), (1267, 122060), (1436, 107695), (1795, 86156), (1810, 85442), (2380, 64979), (2513, 61540), (2534, 61030), (3077, 50260), (3590, 43078), (3620, 42721), (5026, 30770), (5068, 30515), (6103, 25340), (6154, 25130), (6335, 24412), (7180, 21539), (10052, 15385), (12206, 12670), (12308, 12565)]