1340430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 3967488

約数和(自身を除く): 2627058

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, 491, 546, 910, 982, 1365, 1473, 2455, 2730, 2946, 3437, 4910, 6383, 6874, 7365, 10311, 12766, 14730, 17185, 19149, 20622, 31915, 34370, 38298, 44681, 51555, 63830, 89362, 95745, 103110, 134043, 191490, 223405, 268086, 446810, 670215, 1340430]

約数ペア:

[(1, 1340430), (2, 670215), (3, 446810), (5, 268086), (6, 223405), (7, 191490), (10, 134043), (13, 103110), (14, 95745), (15, 89362), (21, 63830), (26, 51555), (30, 44681), (35, 38298), (39, 34370), (42, 31915), (65, 20622), (70, 19149), (78, 17185), (91, 14730), (105, 12766), (130, 10311), (182, 7365), (195, 6874), (210, 6383), (273, 4910), (390, 3437), (455, 2946), (491, 2730), (546, 2455), (910, 1473), (982, 1365)]