194868020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1259}}^1$

素因数の和:1448

約数の個数: 48

約数和(自身を含む): 419126400

約数和(自身を除く): 224258380

約数列:

[1, 2, 4, 5, 10, 20, 71, 109, 142, 218, 284, 355, 436, 545, 710, 1090, 1259, 1420, 2180, 2518, 5036, 6295, 7739, 12590, 15478, 25180, 30956, 38695, 77390, 89389, 137231, 154780, 178778, 274462, 357556, 446945, 548924, 686155, 893890, 1372310, 1787780, 2744620, 9743401, 19486802, 38973604, 48717005, 97434010, 194868020]

約数ペア:

[(1, 194868020), (2, 97434010), (4, 48717005), (5, 38973604), (10, 19486802), (20, 9743401), (71, 2744620), (109, 1787780), (142, 1372310), (218, 893890), (284, 686155), (355, 548924), (436, 446945), (545, 357556), (710, 274462), (1090, 178778), (1259, 154780), (1420, 137231), (2180, 89389), (2518, 77390), (5036, 38695), (6295, 30956), (7739, 25180), (12590, 15478)]