49779800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 140370480

約数和(自身を除く): 90590680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 37, 40, 50, 56, 62, 70, 74, 100, 124, 140, 148, 155, 175, 185, 200, 217, 248, 259, 280, 296, 310, 350, 370, 434, 518, 620, 700, 740, 775, 868, 925, 961, 1036, 1085, 1147, 1240, 1295, 1400, 1480, 1550, 1736, 1850, 1922, 2072, 2170, 2294, 2590, 3100, 3700, 3844, 4340, 4588, 4805, 5180, 5425, 5735, 6200, 6475, 6727, 7400, 7688, 8029, 8680, 9176, 9610, 10360, 10850, 11470, 12950, 13454, 16058, 19220, 21700, 22940, 24025, 25900, 26908, 28675, 32116, 33635, 35557, 38440, 40145, 43400, 45880, 48050, 51800, 53816, 57350, 64232, 67270, 71114, 80290, 96100, 114700, 134540, 142228, 160580, 168175, 177785, 192200, 200725, 229400, 248899, 269080, 284456, 321160, 336350, 355570, 401450, 497798, 672700, 711140, 802900, 888925, 995596, 1244495, 1345400, 1422280, 1605800, 1777850, 1991192, 2488990, 3555700, 4977980, 6222475, 7111400, 9955960, 12444950, 24889900, 49779800]

約数ペア:

[(1, 49779800), (2, 24889900), (4, 12444950), (5, 9955960), (7, 7111400), (8, 6222475), (10, 4977980), (14, 3555700), (20, 2488990), (25, 1991192), (28, 1777850), (31, 1605800), (35, 1422280), (37, 1345400), (40, 1244495), (50, 995596), (56, 888925), (62, 802900), (70, 711140), (74, 672700), (100, 497798), (124, 401450), (140, 355570), (148, 336350), (155, 321160), (175, 284456), (185, 269080), (200, 248899), (217, 229400), (248, 200725), (259, 192200), (280, 177785), (296, 168175), (310, 160580), (350, 142228), (370, 134540), (434, 114700), (518, 96100), (620, 80290), (700, 71114), (740, 67270), (775, 64232), (868, 57350), (925, 53816), (961, 51800), (1036, 48050), (1085, 45880), (1147, 43400), (1240, 40145), (1295, 38440), (1400, 35557), (1480, 33635), (1550, 32116), (1736, 28675), (1850, 26908), (1922, 25900), (2072, 24025), (2170, 22940), (2294, 21700), (2590, 19220), (3100, 16058), (3700, 13454), (3844, 12950), (4340, 11470), (4588, 10850), (4805, 10360), (5180, 9610), (5425, 9176), (5735, 8680), (6200, 8029), (6475, 7688), (6727, 7400)]