221831480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1913}}^1$

素因数の和:2160

約数の個数: 64

約数和(自身を含む): 540207360

約数和(自身を除く): 318375880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 223, 260, 446, 520, 892, 1115, 1784, 1913, 2230, 2899, 3826, 4460, 5798, 7652, 8920, 9565, 11596, 14495, 15304, 19130, 23192, 24869, 28990, 38260, 49738, 57980, 76520, 99476, 115960, 124345, 198952, 248690, 426599, 497380, 853198, 994760, 1706396, 2132995, 3412792, 4265990, 5545787, 8531980, 11091574, 17063960, 22183148, 27728935, 44366296, 55457870, 110915740, 221831480]

約数ペア:

[(1, 221831480), (2, 110915740), (4, 55457870), (5, 44366296), (8, 27728935), (10, 22183148), (13, 17063960), (20, 11091574), (26, 8531980), (40, 5545787), (52, 4265990), (65, 3412792), (104, 2132995), (130, 1706396), (223, 994760), (260, 853198), (446, 497380), (520, 426599), (892, 248690), (1115, 198952), (1784, 124345), (1913, 115960), (2230, 99476), (2899, 76520), (3826, 57980), (4460, 49738), (5798, 38260), (7652, 28990), (8920, 24869), (9565, 23192), (11596, 19130), (14495, 15304)]