201281480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{443}}^1$

素因数の和:798

約数の個数: 64

約数和(自身を含む): 467691840

約数和(自身を除く): 266410360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 307, 370, 443, 614, 740, 886, 1228, 1480, 1535, 1772, 2215, 2456, 3070, 3544, 4430, 6140, 8860, 11359, 12280, 16391, 17720, 22718, 32782, 45436, 56795, 65564, 81955, 90872, 113590, 131128, 136001, 163910, 227180, 272002, 327820, 454360, 544004, 655640, 680005, 1088008, 1360010, 2720020, 5032037, 5440040, 10064074, 20128148, 25160185, 40256296, 50320370, 100640740, 201281480]

約数ペア:

[(1, 201281480), (2, 100640740), (4, 50320370), (5, 40256296), (8, 25160185), (10, 20128148), (20, 10064074), (37, 5440040), (40, 5032037), (74, 2720020), (148, 1360010), (185, 1088008), (296, 680005), (307, 655640), (370, 544004), (443, 454360), (614, 327820), (740, 272002), (886, 227180), (1228, 163910), (1480, 136001), (1535, 131128), (1772, 113590), (2215, 90872), (2456, 81955), (3070, 65564), (3544, 56795), (4430, 45436), (6140, 32782), (8860, 22718), (11359, 17720), (12280, 16391)]