2681625940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{601}}^1$

素因数の和:810

約数の個数: 144

約数和(自身を含む): 6831231120

約数和(自身を除く): 4149605180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 157, 196, 203, 245, 290, 314, 406, 490, 580, 601, 628, 785, 812, 980, 1015, 1099, 1202, 1421, 1570, 2030, 2198, 2404, 2842, 3005, 3140, 4060, 4207, 4396, 4553, 5495, 5684, 6010, 7105, 7693, 8414, 9106, 10990, 12020, 14210, 15386, 16828, 17429, 18212, 21035, 21980, 22765, 28420, 29449, 30772, 31871, 34858, 38465, 42070, 45530, 58898, 63742, 69716, 76930, 84140, 87145, 91060, 94357, 117796, 122003, 127484, 147245, 153860, 159355, 174290, 188714, 223097, 244006, 294490, 318710, 348580, 377428, 446194, 471785, 488012, 588980, 610015, 637420, 660499, 854021, 892388, 943570, 1115485, 1220030, 1320998, 1708042, 1887140, 2230970, 2440060, 2641996, 2736353, 3302495, 3416084, 4270105, 4461940, 4623493, 5472706, 6604990, 8540210, 9246986, 10945412, 13209980, 13681765, 17080420, 18493972, 19154471, 23117465, 27363530, 38308942, 46234930, 54727060, 76617884, 92469860, 95772355, 134081297, 191544710, 268162594, 383089420, 536325188, 670406485, 1340812970, 2681625940]

約数ペア:

[(1, 2681625940), (2, 1340812970), (4, 670406485), (5, 536325188), (7, 383089420), (10, 268162594), (14, 191544710), (20, 134081297), (28, 95772355), (29, 92469860), (35, 76617884), (49, 54727060), (58, 46234930), (70, 38308942), (98, 27363530), (116, 23117465), (140, 19154471), (145, 18493972), (157, 17080420), (196, 13681765), (203, 13209980), (245, 10945412), (290, 9246986), (314, 8540210), (406, 6604990), (490, 5472706), (580, 4623493), (601, 4461940), (628, 4270105), (785, 3416084), (812, 3302495), (980, 2736353), (1015, 2641996), (1099, 2440060), (1202, 2230970), (1421, 1887140), (1570, 1708042), (2030, 1320998), (2198, 1220030), (2404, 1115485), (2842, 943570), (3005, 892388), (3140, 854021), (4060, 660499), (4207, 637420), (4396, 610015), (4553, 588980), (5495, 488012), (5684, 471785), (6010, 446194), (7105, 377428), (7693, 348580), (8414, 318710), (9106, 294490), (10990, 244006), (12020, 223097), (14210, 188714), (15386, 174290), (16828, 159355), (17429, 153860), (18212, 147245), (21035, 127484), (21980, 122003), (22765, 117796), (28420, 94357), (29449, 91060), (30772, 87145), (31871, 84140), (34858, 76930), (38465, 69716), (42070, 63742), (45530, 58898)]