123674540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{877}}^1$

素因数の和:1538

約数の個数: 48

約数和(自身を含む): 284092704

約数和(自身を除く): 160418164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 641, 877, 1282, 1754, 2564, 3205, 3508, 4385, 6410, 7051, 8770, 9647, 12820, 14102, 17540, 19294, 28204, 35255, 38588, 48235, 70510, 96470, 141020, 192940, 562157, 1124314, 2248628, 2810785, 5621570, 6183727, 11243140, 12367454, 24734908, 30918635, 61837270, 123674540]

約数ペア:

[(1, 123674540), (2, 61837270), (4, 30918635), (5, 24734908), (10, 12367454), (11, 11243140), (20, 6183727), (22, 5621570), (44, 2810785), (55, 2248628), (110, 1124314), (220, 562157), (641, 192940), (877, 141020), (1282, 96470), (1754, 70510), (2564, 48235), (3205, 38588), (3508, 35255), (4385, 28204), (6410, 19294), (7051, 17540), (8770, 14102), (9647, 12820)]