217273360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{641}}^1$

素因数の和:896

約数の個数: 80

約数和(自身を含む): 534965760

約数和(自身を除く): 317692400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 223, 304, 380, 446, 641, 760, 892, 1115, 1282, 1520, 1784, 2230, 2564, 3205, 3568, 4237, 4460, 5128, 6410, 8474, 8920, 10256, 12179, 12820, 16948, 17840, 21185, 24358, 25640, 33896, 42370, 48716, 51280, 60895, 67792, 84740, 97432, 121790, 142943, 169480, 194864, 243580, 285886, 338960, 487160, 571772, 714715, 974320, 1143544, 1429430, 2287088, 2715917, 2858860, 5431834, 5717720, 10863668, 11435440, 13579585, 21727336, 27159170, 43454672, 54318340, 108636680, 217273360]

約数ペア:

[(1, 217273360), (2, 108636680), (4, 54318340), (5, 43454672), (8, 27159170), (10, 21727336), (16, 13579585), (19, 11435440), (20, 10863668), (38, 5717720), (40, 5431834), (76, 2858860), (80, 2715917), (95, 2287088), (152, 1429430), (190, 1143544), (223, 974320), (304, 714715), (380, 571772), (446, 487160), (641, 338960), (760, 285886), (892, 243580), (1115, 194864), (1282, 169480), (1520, 142943), (1784, 121790), (2230, 97432), (2564, 84740), (3205, 67792), (3568, 60895), (4237, 51280), (4460, 48716), (5128, 42370), (6410, 33896), (8474, 25640), (8920, 24358), (10256, 21185), (12179, 17840), (12820, 16948)]