215501900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{74311}}^1$

素因数の和:74354

約数の個数: 36

約数和(自身を含む): 483771120

約数和(自身を除く): 268269220

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 74311, 148622, 297244, 371555, 743110, 1486220, 1857775, 2155019, 3715550, 4310038, 7431100, 8620076, 10775095, 21550190, 43100380, 53875475, 107750950, 215501900]

約数ペア:

[(1, 215501900), (2, 107750950), (4, 53875475), (5, 43100380), (10, 21550190), (20, 10775095), (25, 8620076), (29, 7431100), (50, 4310038), (58, 3715550), (100, 2155019), (116, 1857775), (145, 1486220), (290, 743110), (580, 371555), (725, 297244), (1450, 148622), (2900, 74311)]