90748420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{17519}}^1$

素因数の和:17572

約数の個数: 48

約数和(自身を含む): 223695360

約数和(自身を除く): 132946940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 17519, 35038, 70076, 87595, 122633, 175190, 245266, 350380, 490532, 613165, 648203, 1226330, 1296406, 2452660, 2592812, 3241015, 4537421, 6482030, 9074842, 12964060, 18149684, 22687105, 45374210, 90748420]

約数ペア:

[(1, 90748420), (2, 45374210), (4, 22687105), (5, 18149684), (7, 12964060), (10, 9074842), (14, 6482030), (20, 4537421), (28, 3241015), (35, 2592812), (37, 2452660), (70, 1296406), (74, 1226330), (140, 648203), (148, 613165), (185, 490532), (259, 350380), (370, 245266), (518, 175190), (740, 122633), (1036, 87595), (1295, 70076), (2590, 35038), (5180, 17519)]