68336380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{677}}^1$

素因数の和:803

約数の個数: 72

約数和(自身を含む): 168805728

約数和(自身を除く): 100469348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 103, 140, 196, 206, 245, 412, 490, 515, 677, 721, 980, 1030, 1354, 1442, 2060, 2708, 2884, 3385, 3605, 4739, 5047, 6770, 7210, 9478, 10094, 13540, 14420, 18956, 20188, 23695, 25235, 33173, 47390, 50470, 66346, 69731, 94780, 100940, 132692, 139462, 165865, 278924, 331730, 348655, 488117, 663460, 697310, 976234, 1394620, 1952468, 2440585, 3416819, 4881170, 6833638, 9762340, 13667276, 17084095, 34168190, 68336380]

約数ペア:

[(1, 68336380), (2, 34168190), (4, 17084095), (5, 13667276), (7, 9762340), (10, 6833638), (14, 4881170), (20, 3416819), (28, 2440585), (35, 1952468), (49, 1394620), (70, 976234), (98, 697310), (103, 663460), (140, 488117), (196, 348655), (206, 331730), (245, 278924), (412, 165865), (490, 139462), (515, 132692), (677, 100940), (721, 94780), (980, 69731), (1030, 66346), (1354, 50470), (1442, 47390), (2060, 33173), (2708, 25235), (2884, 23695), (3385, 20188), (3605, 18956), (4739, 14420), (5047, 13540), (6770, 10094), (7210, 9478)]