84153580

素因数分解:

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

素因数の和:2063

約数の個数: 72

約数和(自身を含む): 210461328

約数和(自身を除く): 126307748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 1997, 2107, 3010, 3994, 4214, 6020, 7988, 8428, 9985, 10535, 13979, 19970, 21070, 27958, 39940, 42140, 55916, 69895, 85871, 97853, 139790, 171742, 195706, 279580, 343484, 391412, 429355, 489265, 601097, 858710, 978530, 1202194, 1717420, 1957060, 2404388, 3005485, 4207679, 6010970, 8415358, 12021940, 16830716, 21038395, 42076790, 84153580]

約数ペア:

[(1, 84153580), (2, 42076790), (4, 21038395), (5, 16830716), (7, 12021940), (10, 8415358), (14, 6010970), (20, 4207679), (28, 3005485), (35, 2404388), (43, 1957060), (49, 1717420), (70, 1202194), (86, 978530), (98, 858710), (140, 601097), (172, 489265), (196, 429355), (215, 391412), (245, 343484), (301, 279580), (430, 195706), (490, 171742), (602, 139790), (860, 97853), (980, 85871), (1204, 69895), (1505, 55916), (1997, 42140), (2107, 39940), (3010, 27958), (3994, 21070), (4214, 19970), (6020, 13979), (7988, 10535), (8428, 9985)]