40491395

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 60328800

約数和(自身を除く): 19837405

約数列:

[1, 5, 7, 29, 35, 41, 49, 139, 145, 203, 205, 245, 287, 695, 973, 1015, 1189, 1421, 1435, 2009, 4031, 4865, 5699, 5945, 6811, 7105, 8323, 10045, 20155, 28217, 28495, 34055, 39893, 41615, 58261, 141085, 165271, 197519, 199465, 279251, 291305, 826355, 987595, 1156897, 1396255, 5784485, 8098279, 40491395]

約数ペア:

[(1, 40491395), (5, 8098279), (7, 5784485), (29, 1396255), (35, 1156897), (41, 987595), (49, 826355), (139, 291305), (145, 279251), (203, 199465), (205, 197519), (245, 165271), (287, 141085), (695, 58261), (973, 41615), (1015, 39893), (1189, 34055), (1421, 28495), (1435, 28217), (2009, 20155), (4031, 10045), (4865, 8323), (5699, 7105), (5945, 6811)]