985765825

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:739

約数の個数: 72

約数和(自身を含む): 1473890040

約数和(自身を除く): 488124215

約数列:

[1, 5, 11, 17, 25, 29, 55, 85, 121, 145, 187, 275, 319, 425, 493, 605, 661, 725, 935, 1595, 2057, 2465, 3025, 3305, 3509, 4675, 5423, 7271, 7975, 10285, 11237, 12325, 16525, 17545, 19169, 27115, 36355, 51425, 56185, 59653, 79981, 87725, 95845, 123607, 135575, 181775, 210859, 280925, 298265, 325873, 399905, 479225, 618035, 1054295, 1359677, 1491325, 1629365, 1999525, 2319449, 3090175, 3584603, 5271475, 6798385, 8146825, 11597245, 17923015, 33991925, 39430633, 57986225, 89615075, 197153165, 985765825]

約数ペア:

[(1, 985765825), (5, 197153165), (11, 89615075), (17, 57986225), (25, 39430633), (29, 33991925), (55, 17923015), (85, 11597245), (121, 8146825), (145, 6798385), (187, 5271475), (275, 3584603), (319, 3090175), (425, 2319449), (493, 1999525), (605, 1629365), (661, 1491325), (725, 1359677), (935, 1054295), (1595, 618035), (2057, 479225), (2465, 399905), (3025, 325873), (3305, 298265), (3509, 280925), (4675, 210859), (5423, 181775), (7271, 135575), (7975, 123607), (10285, 95845), (11237, 87725), (12325, 79981), (16525, 59653), (17545, 56185), (19169, 51425), (27115, 36355)]