821037430090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{443}}^1\times {\mathrm{72031}}^1$

素因数の和:72595

約数の個数: 64

約数和(自身を含む): 1547427151872

約数和(自身を除く): 726389721782

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 443, 830, 886, 2215, 2573, 4430, 5146, 12865, 13733, 25730, 27466, 36769, 68665, 72031, 73538, 137330, 144062, 183845, 360155, 367690, 720310, 1139839, 2232961, 2279678, 4465922, 5699195, 5978573, 11164805, 11398390, 11957146, 22329610, 29892865, 31909733, 59785730, 63819466, 159548665, 185335763, 319097330, 370671526, 926678815, 989201723, 1853357630, 1978403446, 2648507839, 4946008615, 5297015678, 9892017230, 13242539195, 26485078390, 82103743009, 164207486018, 410518715045, 821037430090]

約数ペア:

[(1, 821037430090), (2, 410518715045), (5, 164207486018), (10, 82103743009), (31, 26485078390), (62, 13242539195), (83, 9892017230), (155, 5297015678), (166, 4946008615), (310, 2648507839), (415, 1978403446), (443, 1853357630), (830, 989201723), (886, 926678815), (2215, 370671526), (2573, 319097330), (4430, 185335763), (5146, 159548665), (12865, 63819466), (13733, 59785730), (25730, 31909733), (27466, 29892865), (36769, 22329610), (68665, 11957146), (72031, 11398390), (73538, 11164805), (137330, 5978573), (144062, 5699195), (183845, 4465922), (360155, 2279678), (367690, 2232961), (720310, 1139839)]