788004400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{115883}}^1$

素因数の和:115918

約数の個数: 60

約数和(自身を含む): 2004561432

約数和(自身を除く): 1216557032

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 6800, 115883, 231766, 463532, 579415, 927064, 1158830, 1854128, 1970011, 2317660, 2897075, 3940022, 4635320, 5794150, 7880044, 9270640, 9850055, 11588300, 15760088, 19700110, 23176600, 31520176, 39400220, 46353200, 49250275, 78800440, 98500550, 157600880, 197001100, 394002200, 788004400]

約数ペア:

[(1, 788004400), (2, 394002200), (4, 197001100), (5, 157600880), (8, 98500550), (10, 78800440), (16, 49250275), (17, 46353200), (20, 39400220), (25, 31520176), (34, 23176600), (40, 19700110), (50, 15760088), (68, 11588300), (80, 9850055), (85, 9270640), (100, 7880044), (136, 5794150), (170, 4635320), (200, 3940022), (272, 2897075), (340, 2317660), (400, 1970011), (425, 1854128), (680, 1158830), (850, 927064), (1360, 579415), (1700, 463532), (3400, 231766), (6800, 115883)]