84609420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{201451}}^1$

素因数の和:201470

約数の個数: 48

約数和(自身を含む): 270751488

約数和(自身を除く): 186142068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 201451, 402902, 604353, 805804, 1007255, 1208706, 1410157, 2014510, 2417412, 2820314, 3021765, 4029020, 4230471, 5640628, 6043530, 7050785, 8460942, 12087060, 14101570, 16921884, 21152355, 28203140, 42304710, 84609420]

約数ペア:

[(1, 84609420), (2, 42304710), (3, 28203140), (4, 21152355), (5, 16921884), (6, 14101570), (7, 12087060), (10, 8460942), (12, 7050785), (14, 6043530), (15, 5640628), (20, 4230471), (21, 4029020), (28, 3021765), (30, 2820314), (35, 2417412), (42, 2014510), (60, 1410157), (70, 1208706), (84, 1007255), (105, 805804), (140, 604353), (210, 402902), (420, 201451)]