2729702980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1\times {\mathrm{4931}}^1$

素因数の和:5340

約数の個数: 48

約数和(自身を含む): 5816603520

約数和(自身を除く): 3086900540

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 311, 356, 445, 622, 890, 1244, 1555, 1780, 3110, 4931, 6220, 9862, 19724, 24655, 27679, 49310, 55358, 98620, 110716, 138395, 276790, 438859, 553580, 877718, 1533541, 1755436, 2194295, 3067082, 4388590, 6134164, 7667705, 8777180, 15335410, 30670820, 136485149, 272970298, 545940596, 682425745, 1364851490, 2729702980]

約数ペア:

[(1, 2729702980), (2, 1364851490), (4, 682425745), (5, 545940596), (10, 272970298), (20, 136485149), (89, 30670820), (178, 15335410), (311, 8777180), (356, 7667705), (445, 6134164), (622, 4388590), (890, 3067082), (1244, 2194295), (1555, 1755436), (1780, 1533541), (3110, 877718), (4931, 553580), (6220, 438859), (9862, 276790), (19724, 138395), (24655, 110716), (27679, 98620), (49310, 55358)]