640775950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{674501}}^1$

素因数の和:674532

約数の個数: 24

約数和(自身を含む): 1254573720

約数和(自身を除く): 613797770

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 674501, 1349002, 3372505, 6745010, 12815519, 16862525, 25631038, 33725050, 64077595, 128155190, 320387975, 640775950]

約数ペア:

[(1, 640775950), (2, 320387975), (5, 128155190), (10, 64077595), (19, 33725050), (25, 25631038), (38, 16862525), (50, 12815519), (95, 6745010), (190, 3372505), (475, 1349002), (950, 674501)]