78818800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:275

約数の個数: 120

約数和(自身を含む): 204669936

約数和(自身を除く): 125851136

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 67, 68, 80, 85, 100, 134, 136, 170, 173, 200, 268, 272, 335, 340, 346, 400, 425, 536, 670, 680, 692, 850, 865, 1072, 1139, 1340, 1360, 1384, 1675, 1700, 1730, 2278, 2680, 2768, 2941, 3350, 3400, 3460, 4325, 4556, 5360, 5695, 5882, 6700, 6800, 6920, 8650, 9112, 11390, 11591, 11764, 13400, 13840, 14705, 17300, 18224, 22780, 23182, 23528, 26800, 28475, 29410, 34600, 45560, 46364, 47056, 56950, 57955, 58820, 69200, 73525, 91120, 92728, 113900, 115910, 117640, 147050, 185456, 197047, 227800, 231820, 235280, 289775, 294100, 394094, 455600, 463640, 579550, 588200, 788188, 927280, 985235, 1159100, 1176400, 1576376, 1970470, 2318200, 3152752, 3940940, 4636400, 4926175, 7881880, 9852350, 15763760, 19704700, 39409400, 78818800]

約数ペア:

[(1, 78818800), (2, 39409400), (4, 19704700), (5, 15763760), (8, 9852350), (10, 7881880), (16, 4926175), (17, 4636400), (20, 3940940), (25, 3152752), (34, 2318200), (40, 1970470), (50, 1576376), (67, 1176400), (68, 1159100), (80, 985235), (85, 927280), (100, 788188), (134, 588200), (136, 579550), (170, 463640), (173, 455600), (200, 394094), (268, 294100), (272, 289775), (335, 235280), (340, 231820), (346, 227800), (400, 197047), (425, 185456), (536, 147050), (670, 117640), (680, 115910), (692, 113900), (850, 92728), (865, 91120), (1072, 73525), (1139, 69200), (1340, 58820), (1360, 57955), (1384, 56950), (1675, 47056), (1700, 46364), (1730, 45560), (2278, 34600), (2680, 29410), (2768, 28475), (2941, 26800), (3350, 23528), (3400, 23182), (3460, 22780), (4325, 18224), (4556, 17300), (5360, 14705), (5695, 13840), (5882, 13400), (6700, 11764), (6800, 11591), (6920, 11390), (8650, 9112)]