2705430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1021

約数の個数: 64

約数和(自身を含む): 7999488

約数和(自身を除く): 5294058

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 991, 1365, 1982, 2730, 2973, 4955, 5946, 6937, 9910, 12883, 13874, 14865, 20811, 25766, 29730, 34685, 38649, 41622, 64415, 69370, 77298, 90181, 104055, 128830, 180362, 193245, 208110, 270543, 386490, 450905, 541086, 901810, 1352715, 2705430]

約数ペア:

[(1, 2705430), (2, 1352715), (3, 901810), (5, 541086), (6, 450905), (7, 386490), (10, 270543), (13, 208110), (14, 193245), (15, 180362), (21, 128830), (26, 104055), (30, 90181), (35, 77298), (39, 69370), (42, 64415), (65, 41622), (70, 38649), (78, 34685), (91, 29730), (105, 25766), (130, 20811), (182, 14865), (195, 13874), (210, 12883), (273, 9910), (390, 6937), (455, 5946), (546, 4955), (910, 2973), (991, 2730), (1365, 1982)]