597978580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1\times {\mathrm{761}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 1273119120

約数和(自身を除く): 675140540

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 389, 404, 505, 761, 778, 1010, 1522, 1556, 1945, 2020, 3044, 3805, 3890, 7610, 7780, 15220, 39289, 76861, 78578, 153722, 157156, 196445, 296029, 307444, 384305, 392890, 592058, 768610, 785780, 1184116, 1480145, 1537220, 2960290, 5920580, 29898929, 59797858, 119595716, 149494645, 298989290, 597978580]

約数ペア:

[(1, 597978580), (2, 298989290), (4, 149494645), (5, 119595716), (10, 59797858), (20, 29898929), (101, 5920580), (202, 2960290), (389, 1537220), (404, 1480145), (505, 1184116), (761, 785780), (778, 768610), (1010, 592058), (1522, 392890), (1556, 384305), (1945, 307444), (2020, 296029), (3044, 196445), (3805, 157156), (3890, 153722), (7610, 78578), (7780, 76861), (15220, 39289)]