1811810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 4402944

約数和(自身を除く): 2591134

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 181, 182, 286, 362, 385, 455, 715, 770, 905, 910, 1001, 1267, 1430, 1810, 1991, 2002, 2353, 2534, 3982, 4706, 5005, 6335, 9955, 10010, 11765, 12670, 13937, 16471, 19910, 23530, 25883, 27874, 32942, 51766, 69685, 82355, 129415, 139370, 164710, 181181, 258830, 362362, 905905, 1811810]

約数ペア:

[(1, 1811810), (2, 905905), (5, 362362), (7, 258830), (10, 181181), (11, 164710), (13, 139370), (14, 129415), (22, 82355), (26, 69685), (35, 51766), (55, 32942), (65, 27874), (70, 25883), (77, 23530), (91, 19910), (110, 16471), (130, 13937), (143, 12670), (154, 11765), (181, 10010), (182, 9955), (286, 6335), (362, 5005), (385, 4706), (455, 3982), (715, 2534), (770, 2353), (905, 2002), (910, 1991), (1001, 1810), (1267, 1430)]