49300000

素因数分解:

$2^5\times 5^5\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:81

約数の個数: 144

約数和(自身を含む): 132882120

約数和(自身を除く): 83582120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 29, 32, 34, 40, 50, 58, 68, 80, 85, 100, 116, 125, 136, 145, 160, 170, 200, 232, 250, 272, 290, 340, 400, 425, 464, 493, 500, 544, 580, 625, 680, 725, 800, 850, 928, 986, 1000, 1160, 1250, 1360, 1450, 1700, 1972, 2000, 2125, 2320, 2465, 2500, 2720, 2900, 3125, 3400, 3625, 3944, 4000, 4250, 4640, 4930, 5000, 5800, 6250, 6800, 7250, 7888, 8500, 9860, 10000, 10625, 11600, 12325, 12500, 13600, 14500, 15776, 17000, 18125, 19720, 20000, 21250, 23200, 24650, 25000, 29000, 34000, 36250, 39440, 42500, 49300, 50000, 53125, 58000, 61625, 68000, 72500, 78880, 85000, 90625, 98600, 100000, 106250, 116000, 123250, 145000, 170000, 181250, 197200, 212500, 246500, 290000, 308125, 340000, 362500, 394400, 425000, 493000, 580000, 616250, 725000, 850000, 986000, 1232500, 1450000, 1540625, 1700000, 1972000, 2465000, 2900000, 3081250, 4930000, 6162500, 9860000, 12325000, 24650000, 49300000]

約数ペア:

[(1, 49300000), (2, 24650000), (4, 12325000), (5, 9860000), (8, 6162500), (10, 4930000), (16, 3081250), (17, 2900000), (20, 2465000), (25, 1972000), (29, 1700000), (32, 1540625), (34, 1450000), (40, 1232500), (50, 986000), (58, 850000), (68, 725000), (80, 616250), (85, 580000), (100, 493000), (116, 425000), (125, 394400), (136, 362500), (145, 340000), (160, 308125), (170, 290000), (200, 246500), (232, 212500), (250, 197200), (272, 181250), (290, 170000), (340, 145000), (400, 123250), (425, 116000), (464, 106250), (493, 100000), (500, 98600), (544, 90625), (580, 85000), (625, 78880), (680, 72500), (725, 68000), (800, 61625), (850, 58000), (928, 53125), (986, 50000), (1000, 49300), (1160, 42500), (1250, 39440), (1360, 36250), (1450, 34000), (1700, 29000), (1972, 25000), (2000, 24650), (2125, 23200), (2320, 21250), (2465, 20000), (2500, 19720), (2720, 18125), (2900, 17000), (3125, 15776), (3400, 14500), (3625, 13600), (3944, 12500), (4000, 12325), (4250, 11600), (4640, 10625), (4930, 10000), (5000, 9860), (5800, 8500), (6250, 7888), (6800, 7250)]