6720350

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:250

約数の個数: 72

約数和(自身を含む): 15733368

約数和(自身を除く): 9013018

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 130, 175, 182, 211, 245, 325, 350, 422, 455, 490, 637, 650, 910, 1055, 1225, 1274, 1477, 2110, 2275, 2450, 2743, 2954, 3185, 4550, 5275, 5486, 6370, 7385, 10339, 10550, 13715, 14770, 15925, 19201, 20678, 27430, 31850, 36925, 38402, 51695, 68575, 73850, 96005, 103390, 134407, 137150, 192010, 258475, 268814, 480025, 516950, 672035, 960050, 1344070, 3360175, 6720350]

約数ペア:

[(1, 6720350), (2, 3360175), (5, 1344070), (7, 960050), (10, 672035), (13, 516950), (14, 480025), (25, 268814), (26, 258475), (35, 192010), (49, 137150), (50, 134407), (65, 103390), (70, 96005), (91, 73850), (98, 68575), (130, 51695), (175, 38402), (182, 36925), (211, 31850), (245, 27430), (325, 20678), (350, 19201), (422, 15925), (455, 14770), (490, 13715), (637, 10550), (650, 10339), (910, 7385), (1055, 6370), (1225, 5486), (1274, 5275), (1477, 4550), (2110, 3185), (2275, 2954), (2450, 2743)]