201944080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{701}}^1$

素因数の和:1004

約数の個数: 80

約数和(自身を含む): 508186224

約数和(自身を除く): 306242144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 277, 520, 554, 701, 1040, 1108, 1385, 1402, 2216, 2770, 2804, 3505, 3601, 4432, 5540, 5608, 7010, 7202, 9113, 11080, 11216, 14020, 14404, 18005, 18226, 22160, 28040, 28808, 36010, 36452, 45565, 56080, 57616, 72020, 72904, 91130, 144040, 145808, 182260, 194177, 288080, 364520, 388354, 729040, 776708, 970885, 1553416, 1941770, 2524301, 3106832, 3883540, 5048602, 7767080, 10097204, 12621505, 15534160, 20194408, 25243010, 40388816, 50486020, 100972040, 201944080]

約数ペア:

[(1, 201944080), (2, 100972040), (4, 50486020), (5, 40388816), (8, 25243010), (10, 20194408), (13, 15534160), (16, 12621505), (20, 10097204), (26, 7767080), (40, 5048602), (52, 3883540), (65, 3106832), (80, 2524301), (104, 1941770), (130, 1553416), (208, 970885), (260, 776708), (277, 729040), (520, 388354), (554, 364520), (701, 288080), (1040, 194177), (1108, 182260), (1385, 145808), (1402, 144040), (2216, 91130), (2770, 72904), (2804, 72020), (3505, 57616), (3601, 56080), (4432, 45565), (5540, 36452), (5608, 36010), (7010, 28808), (7202, 28040), (9113, 22160), (11080, 18226), (11216, 18005), (14020, 14404)]