199945075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2251}}^1$

素因数の和:2308

約数の個数: 48

約数和(自身を含む): 301587840

約数和(自身を除く): 101642765

約数列:

[1, 5, 11, 17, 19, 25, 55, 85, 95, 187, 209, 275, 323, 425, 475, 935, 1045, 1615, 2251, 3553, 4675, 5225, 8075, 11255, 17765, 24761, 38267, 42769, 56275, 88825, 123805, 191335, 213845, 420937, 470459, 619025, 727073, 956675, 1069225, 2104685, 2352295, 3635365, 7997803, 10523425, 11761475, 18176825, 39989015, 199945075]

約数ペア:

[(1, 199945075), (5, 39989015), (11, 18176825), (17, 11761475), (19, 10523425), (25, 7997803), (55, 3635365), (85, 2352295), (95, 2104685), (187, 1069225), (209, 956675), (275, 727073), (323, 619025), (425, 470459), (475, 420937), (935, 213845), (1045, 191335), (1615, 123805), (2251, 88825), (3553, 56275), (4675, 42769), (5225, 38267), (8075, 24761), (11255, 17765)]