28805410

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1506

約数の個数: 32

約数和(自身を含む): 54432000

約数和(自身を除く): 25626590

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 710, 1399, 2059, 2798, 4118, 6995, 10295, 13990, 20590, 40571, 81142, 99329, 198658, 202855, 405710, 496645, 993290, 2880541, 5761082, 14402705, 28805410]

約数ペア:

[(1, 28805410), (2, 14402705), (5, 5761082), (10, 2880541), (29, 993290), (58, 496645), (71, 405710), (142, 202855), (145, 198658), (290, 99329), (355, 81142), (710, 40571), (1399, 20590), (2059, 13990), (2798, 10295), (4118, 6995)]