120988400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:523

約数の個数: 120

約数和(自身を含む): 319667040

約数和(自身を除く): 198678640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 53, 65, 80, 100, 104, 106, 130, 200, 208, 212, 260, 265, 325, 400, 424, 439, 520, 530, 650, 689, 848, 878, 1040, 1060, 1300, 1325, 1378, 1756, 2120, 2195, 2600, 2650, 2756, 3445, 3512, 4240, 4390, 5200, 5300, 5512, 5707, 6890, 7024, 8780, 10600, 10975, 11024, 11414, 13780, 17225, 17560, 21200, 21950, 22828, 23267, 27560, 28535, 34450, 35120, 43900, 45656, 46534, 55120, 57070, 68900, 87800, 91312, 93068, 114140, 116335, 137800, 142675, 175600, 186136, 228280, 232670, 275600, 285350, 302471, 372272, 456560, 465340, 570700, 581675, 604942, 930680, 1141400, 1163350, 1209884, 1512355, 1861360, 2282800, 2326700, 2419768, 3024710, 4653400, 4839536, 6049420, 7561775, 9306800, 12098840, 15123550, 24197680, 30247100, 60494200, 120988400]

約数ペア:

[(1, 120988400), (2, 60494200), (4, 30247100), (5, 24197680), (8, 15123550), (10, 12098840), (13, 9306800), (16, 7561775), (20, 6049420), (25, 4839536), (26, 4653400), (40, 3024710), (50, 2419768), (52, 2326700), (53, 2282800), (65, 1861360), (80, 1512355), (100, 1209884), (104, 1163350), (106, 1141400), (130, 930680), (200, 604942), (208, 581675), (212, 570700), (260, 465340), (265, 456560), (325, 372272), (400, 302471), (424, 285350), (439, 275600), (520, 232670), (530, 228280), (650, 186136), (689, 175600), (848, 142675), (878, 137800), (1040, 116335), (1060, 114140), (1300, 93068), (1325, 91312), (1378, 87800), (1756, 68900), (2120, 57070), (2195, 55120), (2600, 46534), (2650, 45656), (2756, 43900), (3445, 35120), (3512, 34450), (4240, 28535), (4390, 27560), (5200, 23267), (5300, 22828), (5512, 21950), (5707, 21200), (6890, 17560), (7024, 17225), (8780, 13780), (10600, 11414), (10975, 11024)]