745452004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:785

約数の個数: 72

約数和(自身を含む): 1525438656

約数和(自身を除く): 779986652

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 71, 76, 142, 209, 284, 361, 418, 661, 722, 781, 836, 1322, 1349, 1444, 1562, 2644, 2698, 3124, 3971, 5396, 7271, 7942, 12559, 14542, 14839, 15884, 25118, 25631, 29084, 29678, 46931, 50236, 51262, 59356, 93862, 102524, 138149, 187724, 238621, 276298, 281941, 477242, 516241, 552596, 563882, 891689, 954484, 1032482, 1127764, 1783378, 2064964, 2624831, 3566756, 5249662, 9808579, 10499324, 16942091, 19617158, 33884182, 39234316, 67768364, 186363001, 372726002, 745452004]

約数ペア:

[(1, 745452004), (2, 372726002), (4, 186363001), (11, 67768364), (19, 39234316), (22, 33884182), (38, 19617158), (44, 16942091), (71, 10499324), (76, 9808579), (142, 5249662), (209, 3566756), (284, 2624831), (361, 2064964), (418, 1783378), (661, 1127764), (722, 1032482), (781, 954484), (836, 891689), (1322, 563882), (1349, 552596), (1444, 516241), (1562, 477242), (2644, 281941), (2698, 276298), (3124, 238621), (3971, 187724), (5396, 138149), (7271, 102524), (7942, 93862), (12559, 59356), (14542, 51262), (14839, 50236), (15884, 46931), (25118, 29678), (25631, 29084)]