49801600

素因数分解:

$2^7\times 5^2\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:300

約数の個数: 96

約数和(自身を含む): 125215200

約数和(自身を除く): 75413600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 128, 158, 160, 197, 200, 316, 320, 394, 395, 400, 632, 640, 788, 790, 800, 985, 1264, 1576, 1580, 1600, 1970, 1975, 2528, 3152, 3160, 3200, 3940, 3950, 4925, 5056, 6304, 6320, 7880, 7900, 9850, 10112, 12608, 12640, 15563, 15760, 15800, 19700, 25216, 25280, 31126, 31520, 31600, 39400, 50560, 62252, 63040, 63200, 77815, 78800, 124504, 126080, 126400, 155630, 157600, 249008, 252800, 311260, 315200, 389075, 498016, 622520, 630400, 778150, 996032, 1245040, 1556300, 1992064, 2490080, 3112600, 4980160, 6225200, 9960320, 12450400, 24900800, 49801600]

約数ペア:

[(1, 49801600), (2, 24900800), (4, 12450400), (5, 9960320), (8, 6225200), (10, 4980160), (16, 3112600), (20, 2490080), (25, 1992064), (32, 1556300), (40, 1245040), (50, 996032), (64, 778150), (79, 630400), (80, 622520), (100, 498016), (128, 389075), (158, 315200), (160, 311260), (197, 252800), (200, 249008), (316, 157600), (320, 155630), (394, 126400), (395, 126080), (400, 124504), (632, 78800), (640, 77815), (788, 63200), (790, 63040), (800, 62252), (985, 50560), (1264, 39400), (1576, 31600), (1580, 31520), (1600, 31126), (1970, 25280), (1975, 25216), (2528, 19700), (3152, 15800), (3160, 15760), (3200, 15563), (3940, 12640), (3950, 12608), (4925, 10112), (5056, 9850), (6304, 7900), (6320, 7880)]