989396320

素因数分解:

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

素因数の和:1544

約数の個数: 96

約数和(自身を含む): 2556834336

約数和(自身を除く): 1567438016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 641, 877, 880, 1282, 1754, 1760, 2564, 3205, 3508, 4385, 5128, 6410, 7016, 7051, 8770, 9647, 10256, 12820, 14032, 14102, 17540, 19294, 20512, 25640, 28064, 28204, 35080, 35255, 38588, 48235, 51280, 56408, 70160, 70510, 77176, 96470, 102560, 112816, 140320, 141020, 154352, 192940, 225632, 282040, 308704, 385880, 562157, 564080, 771760, 1124314, 1128160, 1543520, 2248628, 2810785, 4497256, 5621570, 6183727, 8994512, 11243140, 12367454, 17989024, 22486280, 24734908, 30918635, 44972560, 49469816, 61837270, 89945120, 98939632, 123674540, 197879264, 247349080, 494698160, 989396320]

約数ペア:

[(1, 989396320), (2, 494698160), (4, 247349080), (5, 197879264), (8, 123674540), (10, 98939632), (11, 89945120), (16, 61837270), (20, 49469816), (22, 44972560), (32, 30918635), (40, 24734908), (44, 22486280), (55, 17989024), (80, 12367454), (88, 11243140), (110, 8994512), (160, 6183727), (176, 5621570), (220, 4497256), (352, 2810785), (440, 2248628), (641, 1543520), (877, 1128160), (880, 1124314), (1282, 771760), (1754, 564080), (1760, 562157), (2564, 385880), (3205, 308704), (3508, 282040), (4385, 225632), (5128, 192940), (6410, 154352), (7016, 141020), (7051, 140320), (8770, 112816), (9647, 102560), (10256, 96470), (12820, 77176), (14032, 70510), (14102, 70160), (17540, 56408), (19294, 51280), (20512, 48235), (25640, 38588), (28064, 35255), (28204, 35080)]