189036520

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 433382400

約数和(自身を除く): 244345880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 191, 218, 227, 382, 436, 454, 545, 764, 872, 908, 955, 1090, 1135, 1528, 1816, 1910, 2180, 2270, 3820, 4360, 4540, 7640, 9080, 20819, 24743, 41638, 43357, 49486, 83276, 86714, 98972, 104095, 123715, 166552, 173428, 197944, 208190, 216785, 247430, 346856, 416380, 433570, 494860, 832760, 867140, 989720, 1734280, 4725913, 9451826, 18903652, 23629565, 37807304, 47259130, 94518260, 189036520]

約数ペア:

[(1, 189036520), (2, 94518260), (4, 47259130), (5, 37807304), (8, 23629565), (10, 18903652), (20, 9451826), (40, 4725913), (109, 1734280), (191, 989720), (218, 867140), (227, 832760), (382, 494860), (436, 433570), (454, 416380), (545, 346856), (764, 247430), (872, 216785), (908, 208190), (955, 197944), (1090, 173428), (1135, 166552), (1528, 123715), (1816, 104095), (1910, 98972), (2180, 86714), (2270, 83276), (3820, 49486), (4360, 43357), (4540, 41638), (7640, 24743), (9080, 20819)]