2019901285

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 2704181760

約数和(自身を除く): 684280475

約数列:

[1, 5, 23, 41, 53, 59, 115, 137, 205, 265, 295, 685, 943, 1219, 1357, 2173, 2419, 3127, 3151, 4715, 5617, 6095, 6785, 7261, 8083, 10865, 12095, 15635, 15755, 28085, 36305, 40415, 49979, 55637, 71921, 128207, 129191, 167003, 185909, 249895, 278185, 297701, 331403, 359605, 428399, 641035, 645955, 835015, 929545, 1488505, 1657015, 2141995, 2948761, 6847123, 7622269, 9853177, 14743805, 17564359, 34235615, 38111345, 49265885, 87821795, 403980257, 2019901285]

約数ペア:

[(1, 2019901285), (5, 403980257), (23, 87821795), (41, 49265885), (53, 38111345), (59, 34235615), (115, 17564359), (137, 14743805), (205, 9853177), (265, 7622269), (295, 6847123), (685, 2948761), (943, 2141995), (1219, 1657015), (1357, 1488505), (2173, 929545), (2419, 835015), (3127, 645955), (3151, 641035), (4715, 428399), (5617, 359605), (6095, 331403), (6785, 297701), (7261, 278185), (8083, 249895), (10865, 185909), (12095, 167003), (15635, 129191), (15755, 128207), (28085, 71921), (36305, 55637), (40415, 49979)]