657884020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{7529}}^1$

素因数の和:7812

約数の個数: 48

約数和(自身を含む): 1468711440

約数和(自身を除く): 810827420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 257, 340, 514, 1028, 1285, 2570, 4369, 5140, 7529, 8738, 15058, 17476, 21845, 30116, 37645, 43690, 75290, 87380, 127993, 150580, 255986, 511972, 639965, 1279930, 1934953, 2559860, 3869906, 7739812, 9674765, 19349530, 32894201, 38699060, 65788402, 131576804, 164471005, 328942010, 657884020]

約数ペア:

[(1, 657884020), (2, 328942010), (4, 164471005), (5, 131576804), (10, 65788402), (17, 38699060), (20, 32894201), (34, 19349530), (68, 9674765), (85, 7739812), (170, 3869906), (257, 2559860), (340, 1934953), (514, 1279930), (1028, 639965), (1285, 511972), (2570, 255986), (4369, 150580), (5140, 127993), (7529, 87380), (8738, 75290), (15058, 43690), (17476, 37645), (21845, 30116)]