79498360

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 183319200

約数和(自身を除く): 103820840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 137, 163, 178, 274, 326, 356, 445, 548, 652, 685, 712, 815, 890, 1096, 1304, 1370, 1630, 1780, 2740, 3260, 3560, 5480, 6520, 12193, 14507, 22331, 24386, 29014, 44662, 48772, 58028, 60965, 72535, 89324, 97544, 111655, 116056, 121930, 145070, 178648, 223310, 243860, 290140, 446620, 487720, 580280, 893240, 1987459, 3974918, 7949836, 9937295, 15899672, 19874590, 39749180, 79498360]

約数ペア:

[(1, 79498360), (2, 39749180), (4, 19874590), (5, 15899672), (8, 9937295), (10, 7949836), (20, 3974918), (40, 1987459), (89, 893240), (137, 580280), (163, 487720), (178, 446620), (274, 290140), (326, 243860), (356, 223310), (445, 178648), (548, 145070), (652, 121930), (685, 116056), (712, 111655), (815, 97544), (890, 89324), (1096, 72535), (1304, 60965), (1370, 58028), (1630, 48772), (1780, 44662), (2740, 29014), (3260, 24386), (3560, 22331), (5480, 14507), (6520, 12193)]