2810919110

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{127711}}^1$

素因数の和:127820

約数の個数: 32

約数和(自身を含む): 5296472064

約数和(自身を除く): 2485552954

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 2201, 4402, 11005, 22010, 127711, 255422, 638555, 1277110, 3959041, 7918082, 9067481, 18134962, 19795205, 39590410, 45337405, 90674810, 281091911, 562183822, 1405459555, 2810919110]

約数ペア:

[(1, 2810919110), (2, 1405459555), (5, 562183822), (10, 281091911), (31, 90674810), (62, 45337405), (71, 39590410), (142, 19795205), (155, 18134962), (310, 9067481), (355, 7918082), (710, 3959041), (2201, 1277110), (4402, 638555), (11005, 255422), (22010, 127711)]