84400820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9883}}^1$

素因数の和:9960

約数の個数: 48

約数和(自身を含む): 205903488

約数和(自身を除く): 121502668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 9883, 19766, 39532, 49415, 69181, 98830, 138362, 197660, 276724, 345905, 602863, 691810, 1205726, 1383620, 2411452, 3014315, 4220041, 6028630, 8440082, 12057260, 16880164, 21100205, 42200410, 84400820]

約数ペア:

[(1, 84400820), (2, 42200410), (4, 21100205), (5, 16880164), (7, 12057260), (10, 8440082), (14, 6028630), (20, 4220041), (28, 3014315), (35, 2411452), (61, 1383620), (70, 1205726), (122, 691810), (140, 602863), (244, 345905), (305, 276724), (427, 197660), (610, 138362), (854, 98830), (1220, 69181), (1708, 49415), (2135, 39532), (4270, 19766), (8540, 9883)]