42076790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2061

約数の個数: 48

約数和(自身を含む): 90197712

約数和(自身を除く): 48120922

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 215, 245, 301, 430, 490, 602, 1505, 1997, 2107, 3010, 3994, 4214, 9985, 10535, 13979, 19970, 21070, 27958, 69895, 85871, 97853, 139790, 171742, 195706, 429355, 489265, 601097, 858710, 978530, 1202194, 3005485, 4207679, 6010970, 8415358, 21038395, 42076790]

約数ペア:

[(1, 42076790), (2, 21038395), (5, 8415358), (7, 6010970), (10, 4207679), (14, 3005485), (35, 1202194), (43, 978530), (49, 858710), (70, 601097), (86, 489265), (98, 429355), (215, 195706), (245, 171742), (301, 139790), (430, 97853), (490, 85871), (602, 69895), (1505, 27958), (1997, 21070), (2107, 19970), (3010, 13979), (3994, 10535), (4214, 9985)]