90914000

素因数分解:

$2^4\times 5^3\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:501

約数の個数: 80

約数和(自身を含む): 222146496

約数和(自身を除く): 131232496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 131, 200, 250, 262, 347, 400, 500, 524, 655, 694, 1000, 1048, 1310, 1388, 1735, 2000, 2096, 2620, 2776, 3275, 3470, 5240, 5552, 6550, 6940, 8675, 10480, 13100, 13880, 16375, 17350, 26200, 27760, 32750, 34700, 43375, 45457, 52400, 65500, 69400, 86750, 90914, 131000, 138800, 173500, 181828, 227285, 262000, 347000, 363656, 454570, 694000, 727312, 909140, 1136425, 1818280, 2272850, 3636560, 4545700, 5682125, 9091400, 11364250, 18182800, 22728500, 45457000, 90914000]

約数ペア:

[(1, 90914000), (2, 45457000), (4, 22728500), (5, 18182800), (8, 11364250), (10, 9091400), (16, 5682125), (20, 4545700), (25, 3636560), (40, 2272850), (50, 1818280), (80, 1136425), (100, 909140), (125, 727312), (131, 694000), (200, 454570), (250, 363656), (262, 347000), (347, 262000), (400, 227285), (500, 181828), (524, 173500), (655, 138800), (694, 131000), (1000, 90914), (1048, 86750), (1310, 69400), (1388, 65500), (1735, 52400), (2000, 45457), (2096, 43375), (2620, 34700), (2776, 32750), (3275, 27760), (3470, 26200), (5240, 17350), (5552, 16375), (6550, 13880), (6940, 13100), (8675, 10480)]