201965820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25309}}^1$

素因数の和:25347

約数の個数: 96

約数和(自身を含む): 680332800

約数和(自身を除く): 478366980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 25309, 50618, 75927, 101236, 126545, 151854, 177163, 253090, 303708, 354326, 379635, 480871, 506180, 531489, 708652, 759270, 885815, 961742, 1062978, 1442613, 1518540, 1771630, 1923484, 2125956, 2404355, 2657445, 2885226, 3366097, 3543260, 4808710, 5314890, 5770452, 6732194, 7213065, 9617420, 10098291, 10629780, 13464388, 14426130, 16830485, 20196582, 28852260, 33660970, 40393164, 50491455, 67321940, 100982910, 201965820]

約数ペア:

[(1, 201965820), (2, 100982910), (3, 67321940), (4, 50491455), (5, 40393164), (6, 33660970), (7, 28852260), (10, 20196582), (12, 16830485), (14, 14426130), (15, 13464388), (19, 10629780), (20, 10098291), (21, 9617420), (28, 7213065), (30, 6732194), (35, 5770452), (38, 5314890), (42, 4808710), (57, 3543260), (60, 3366097), (70, 2885226), (76, 2657445), (84, 2404355), (95, 2125956), (105, 1923484), (114, 1771630), (133, 1518540), (140, 1442613), (190, 1062978), (210, 961742), (228, 885815), (266, 759270), (285, 708652), (380, 531489), (399, 506180), (420, 480871), (532, 379635), (570, 354326), (665, 303708), (798, 253090), (1140, 177163), (1330, 151854), (1596, 126545), (1995, 101236), (2660, 75927), (3990, 50618), (7980, 25309)]