71361980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{853}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 154949760

約数和(自身を除く): 83587780

約数列:

[1, 2, 4, 5, 10, 20, 47, 89, 94, 178, 188, 235, 356, 445, 470, 853, 890, 940, 1706, 1780, 3412, 4183, 4265, 8366, 8530, 16732, 17060, 20915, 40091, 41830, 75917, 80182, 83660, 151834, 160364, 200455, 303668, 379585, 400910, 759170, 801820, 1518340, 3568099, 7136198, 14272396, 17840495, 35680990, 71361980]

約数ペア:

[(1, 71361980), (2, 35680990), (4, 17840495), (5, 14272396), (10, 7136198), (20, 3568099), (47, 1518340), (89, 801820), (94, 759170), (178, 400910), (188, 379585), (235, 303668), (356, 200455), (445, 160364), (470, 151834), (853, 83660), (890, 80182), (940, 75917), (1706, 41830), (1780, 40091), (3412, 20915), (4183, 17060), (4265, 16732), (8366, 8530)]