320438168

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{719}}^1$

素因数の和:884

約数の個数: 64

約数和(自身を含む): 664848000

約数和(自身を除く): 344409832

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 113, 116, 136, 226, 232, 452, 493, 719, 904, 986, 1438, 1921, 1972, 2876, 3277, 3842, 3944, 5752, 6554, 7684, 12223, 13108, 15368, 20851, 24446, 26216, 41702, 48892, 55709, 81247, 83404, 97784, 111418, 162494, 166808, 222836, 324988, 354467, 445672, 649976, 708934, 1381199, 1417868, 2356163, 2762398, 2835736, 4712326, 5524796, 9424652, 11049592, 18849304, 40054771, 80109542, 160219084, 320438168]

約数ペア:

[(1, 320438168), (2, 160219084), (4, 80109542), (8, 40054771), (17, 18849304), (29, 11049592), (34, 9424652), (58, 5524796), (68, 4712326), (113, 2835736), (116, 2762398), (136, 2356163), (226, 1417868), (232, 1381199), (452, 708934), (493, 649976), (719, 445672), (904, 354467), (986, 324988), (1438, 222836), (1921, 166808), (1972, 162494), (2876, 111418), (3277, 97784), (3842, 83404), (3944, 81247), (5752, 55709), (6554, 48892), (7684, 41702), (12223, 26216), (13108, 24446), (15368, 20851)]