2017272020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{421}}^1\times {\mathrm{829}}^1$

素因数の和:1293

約数の個数: 72

約数和(自身を含む): 4516252440

約数和(自身を除く): 2498980420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 421, 578, 829, 842, 1156, 1445, 1658, 1684, 2105, 2890, 3316, 4145, 4210, 5780, 7157, 8290, 8420, 14093, 14314, 16580, 28186, 28628, 35785, 56372, 70465, 71570, 121669, 140930, 143140, 239581, 243338, 281860, 349009, 479162, 486676, 608345, 698018, 958324, 1197905, 1216690, 1396036, 1745045, 2395810, 2433380, 3490090, 4791620, 5933153, 6980180, 11866306, 23732612, 29665765, 59331530, 100863601, 118663060, 201727202, 403454404, 504318005, 1008636010, 2017272020]

約数ペア:

[(1, 2017272020), (2, 1008636010), (4, 504318005), (5, 403454404), (10, 201727202), (17, 118663060), (20, 100863601), (34, 59331530), (68, 29665765), (85, 23732612), (170, 11866306), (289, 6980180), (340, 5933153), (421, 4791620), (578, 3490090), (829, 2433380), (842, 2395810), (1156, 1745045), (1445, 1396036), (1658, 1216690), (1684, 1197905), (2105, 958324), (2890, 698018), (3316, 608345), (4145, 486676), (4210, 479162), (5780, 349009), (7157, 281860), (8290, 243338), (8420, 239581), (14093, 143140), (14314, 140930), (16580, 121669), (28186, 71570), (28628, 70465), (35785, 56372)]