1189400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 2920200

約数和(自身を除く): 1730800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 313, 380, 475, 626, 760, 950, 1252, 1565, 1900, 2504, 3130, 3800, 5947, 6260, 7825, 11894, 12520, 15650, 23788, 29735, 31300, 47576, 59470, 62600, 118940, 148675, 237880, 297350, 594700, 1189400]

約数ペア:

[(1, 1189400), (2, 594700), (4, 297350), (5, 237880), (8, 148675), (10, 118940), (19, 62600), (20, 59470), (25, 47576), (38, 31300), (40, 29735), (50, 23788), (76, 15650), (95, 12520), (100, 11894), (152, 7825), (190, 6260), (200, 5947), (313, 3800), (380, 3130), (475, 2504), (626, 1900), (760, 1565), (950, 1252)]