2017900000

素因数分解:

$2^5\times 5^5\times {\mathrm{17}}^1\times {\mathrm{1187}}^1$

素因数の和:1239

約数の個数: 144

約数和(自身を含む): 5262131952

約数和(自身を除く): 3244231952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 125, 136, 160, 170, 200, 250, 272, 340, 400, 425, 500, 544, 625, 680, 800, 850, 1000, 1187, 1250, 1360, 1700, 2000, 2125, 2374, 2500, 2720, 3125, 3400, 4000, 4250, 4748, 5000, 5935, 6250, 6800, 8500, 9496, 10000, 10625, 11870, 12500, 13600, 17000, 18992, 20000, 20179, 21250, 23740, 25000, 29675, 34000, 37984, 40358, 42500, 47480, 50000, 53125, 59350, 68000, 80716, 85000, 94960, 100000, 100895, 106250, 118700, 148375, 161432, 170000, 189920, 201790, 212500, 237400, 296750, 322864, 340000, 403580, 425000, 474800, 504475, 593500, 645728, 741875, 807160, 850000, 949600, 1008950, 1187000, 1483750, 1614320, 1700000, 2017900, 2374000, 2522375, 2967500, 3228640, 3709375, 4035800, 4748000, 5044750, 5935000, 7418750, 8071600, 10089500, 11870000, 12611875, 14837500, 16143200, 20179000, 23740000, 25223750, 29675000, 40358000, 50447500, 59350000, 63059375, 80716000, 100895000, 118700000, 126118750, 201790000, 252237500, 403580000, 504475000, 1008950000, 2017900000]

約数ペア:

[(1, 2017900000), (2, 1008950000), (4, 504475000), (5, 403580000), (8, 252237500), (10, 201790000), (16, 126118750), (17, 118700000), (20, 100895000), (25, 80716000), (32, 63059375), (34, 59350000), (40, 50447500), (50, 40358000), (68, 29675000), (80, 25223750), (85, 23740000), (100, 20179000), (125, 16143200), (136, 14837500), (160, 12611875), (170, 11870000), (200, 10089500), (250, 8071600), (272, 7418750), (340, 5935000), (400, 5044750), (425, 4748000), (500, 4035800), (544, 3709375), (625, 3228640), (680, 2967500), (800, 2522375), (850, 2374000), (1000, 2017900), (1187, 1700000), (1250, 1614320), (1360, 1483750), (1700, 1187000), (2000, 1008950), (2125, 949600), (2374, 850000), (2500, 807160), (2720, 741875), (3125, 645728), (3400, 593500), (4000, 504475), (4250, 474800), (4748, 425000), (5000, 403580), (5935, 340000), (6250, 322864), (6800, 296750), (8500, 237400), (9496, 212500), (10000, 201790), (10625, 189920), (11870, 170000), (12500, 161432), (13600, 148375), (17000, 118700), (18992, 106250), (20000, 100895), (20179, 100000), (21250, 94960), (23740, 85000), (25000, 80716), (29675, 68000), (34000, 59350), (37984, 53125), (40358, 50000), (42500, 47480)]