43214840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 100440000

約数和(自身を除く): 57225160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 89, 122, 178, 199, 244, 305, 356, 398, 445, 488, 610, 712, 796, 890, 995, 1220, 1592, 1780, 1990, 2440, 3560, 3980, 5429, 7960, 10858, 12139, 17711, 21716, 24278, 27145, 35422, 43432, 48556, 54290, 60695, 70844, 88555, 97112, 108580, 121390, 141688, 177110, 217160, 242780, 354220, 485560, 708440, 1080371, 2160742, 4321484, 5401855, 8642968, 10803710, 21607420, 43214840]

約数ペア:

[(1, 43214840), (2, 21607420), (4, 10803710), (5, 8642968), (8, 5401855), (10, 4321484), (20, 2160742), (40, 1080371), (61, 708440), (89, 485560), (122, 354220), (178, 242780), (199, 217160), (244, 177110), (305, 141688), (356, 121390), (398, 108580), (445, 97112), (488, 88555), (610, 70844), (712, 60695), (796, 54290), (890, 48556), (995, 43432), (1220, 35422), (1592, 27145), (1780, 24278), (1990, 21716), (2440, 17711), (3560, 12139), (3980, 10858), (5429, 7960)]