140319340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1093}}^1$

素因数の和:1247

約数の個数: 72

約数和(自身を含む): 345712752

約数和(自身を除く): 205393412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 131, 140, 196, 245, 262, 490, 524, 655, 917, 980, 1093, 1310, 1834, 2186, 2620, 3668, 4372, 4585, 5465, 6419, 7651, 9170, 10930, 12838, 15302, 18340, 21860, 25676, 30604, 32095, 38255, 53557, 64190, 76510, 107114, 128380, 143183, 153020, 214228, 267785, 286366, 535570, 572732, 715915, 1002281, 1071140, 1431830, 2004562, 2863660, 4009124, 5011405, 7015967, 10022810, 14031934, 20045620, 28063868, 35079835, 70159670, 140319340]

約数ペア:

[(1, 140319340), (2, 70159670), (4, 35079835), (5, 28063868), (7, 20045620), (10, 14031934), (14, 10022810), (20, 7015967), (28, 5011405), (35, 4009124), (49, 2863660), (70, 2004562), (98, 1431830), (131, 1071140), (140, 1002281), (196, 715915), (245, 572732), (262, 535570), (490, 286366), (524, 267785), (655, 214228), (917, 153020), (980, 143183), (1093, 128380), (1310, 107114), (1834, 76510), (2186, 64190), (2620, 53557), (3668, 38255), (4372, 32095), (4585, 30604), (5465, 25676), (6419, 21860), (7651, 18340), (9170, 15302), (10930, 12838)]