426367780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{4229}}^1$

素因数の和:4380

約数の個数: 36

約数和(自身を含む): 908375580

約数和(自身を除く): 482007800

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 4229, 5041, 8458, 10082, 16916, 20164, 21145, 25205, 42290, 50410, 84580, 100820, 300259, 600518, 1201036, 1501295, 3002590, 6005180, 21318389, 42636778, 85273556, 106591945, 213183890, 426367780]

約数ペア:

[(1, 426367780), (2, 213183890), (4, 106591945), (5, 85273556), (10, 42636778), (20, 21318389), (71, 6005180), (142, 3002590), (284, 1501295), (355, 1201036), (710, 600518), (1420, 300259), (4229, 100820), (5041, 84580), (8458, 50410), (10082, 42290), (16916, 25205), (20164, 21145)]