1218956830

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{27337}}^1$

素因数の和:27378

約数の個数: 64

約数和(自身を含む): 2755670400

約数和(自身を除く): 1536713570

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 343, 455, 490, 637, 686, 910, 1274, 1715, 3185, 3430, 4459, 6370, 8918, 22295, 27337, 44590, 54674, 136685, 191359, 273370, 355381, 382718, 710762, 956795, 1339513, 1776905, 1913590, 2487667, 2679026, 3553810, 4975334, 6697565, 9376591, 12438335, 13395130, 17413669, 18753182, 24876670, 34827338, 46882955, 87068345, 93765910, 121895683, 174136690, 243791366, 609478415, 1218956830]

約数ペア:

[(1, 1218956830), (2, 609478415), (5, 243791366), (7, 174136690), (10, 121895683), (13, 93765910), (14, 87068345), (26, 46882955), (35, 34827338), (49, 24876670), (65, 18753182), (70, 17413669), (91, 13395130), (98, 12438335), (130, 9376591), (182, 6697565), (245, 4975334), (343, 3553810), (455, 2679026), (490, 2487667), (637, 1913590), (686, 1776905), (910, 1339513), (1274, 956795), (1715, 710762), (3185, 382718), (3430, 355381), (4459, 273370), (6370, 191359), (8918, 136685), (22295, 54674), (27337, 44590)]