84781100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{11941}}^1$

素因数の和:12026

約数の個数: 36

約数和(自身を含む): 186581808

約数和(自身を除く): 101800708

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 11941, 23882, 47764, 59705, 119410, 238820, 298525, 597050, 847811, 1194100, 1695622, 3391244, 4239055, 8478110, 16956220, 21195275, 42390550, 84781100]

約数ペア:

[(1, 84781100), (2, 42390550), (4, 21195275), (5, 16956220), (10, 8478110), (20, 4239055), (25, 3391244), (50, 1695622), (71, 1194100), (100, 847811), (142, 597050), (284, 298525), (355, 238820), (710, 119410), (1420, 59705), (1775, 47764), (3550, 23882), (7100, 11941)]