78272830

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2837}}^1$

素因数の和:2964

約数の個数: 32

約数和(自身を含む): 147121920

約数和(自身を除く): 68849090

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 310, 445, 890, 2759, 2837, 5518, 5674, 13795, 14185, 27590, 28370, 87947, 175894, 252493, 439735, 504986, 879470, 1262465, 2524930, 7827283, 15654566, 39136415, 78272830]

約数ペア:

[(1, 78272830), (2, 39136415), (5, 15654566), (10, 7827283), (31, 2524930), (62, 1262465), (89, 879470), (155, 504986), (178, 439735), (310, 252493), (445, 175894), (890, 87947), (2759, 28370), (2837, 27590), (5518, 14185), (5674, 13795)]