71267140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16421}}^1$

素因数の和:16468

約数の個数: 48

約数和(自身を含む): 176569344

約数和(自身を除く): 105302204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 16421, 32842, 65684, 82105, 114947, 164210, 229894, 328420, 459788, 509051, 574735, 1018102, 1149470, 2036204, 2298940, 2545255, 3563357, 5090510, 7126714, 10181020, 14253428, 17816785, 35633570, 71267140]

約数ペア:

[(1, 71267140), (2, 35633570), (4, 17816785), (5, 14253428), (7, 10181020), (10, 7126714), (14, 5090510), (20, 3563357), (28, 2545255), (31, 2298940), (35, 2036204), (62, 1149470), (70, 1018102), (124, 574735), (140, 509051), (155, 459788), (217, 328420), (310, 229894), (434, 164210), (620, 114947), (868, 82105), (1085, 65684), (2170, 32842), (4340, 16421)]