212952180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{507029}}^1$

素因数の和:507048

約数の個数: 48

約数和(自身を含む): 681448320

約数和(自身を除く): 468496140

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, 507029, 1014058, 1521087, 2028116, 2535145, 3042174, 3549203, 5070290, 6084348, 7098406, 7605435, 10140580, 10647609, 14196812, 15210870, 17746015, 21295218, 30421740, 35492030, 42590436, 53238045, 70984060, 106476090, 212952180]

約数ペア:

[(1, 212952180), (2, 106476090), (3, 70984060), (4, 53238045), (5, 42590436), (6, 35492030), (7, 30421740), (10, 21295218), (12, 17746015), (14, 15210870), (15, 14196812), (20, 10647609), (21, 10140580), (28, 7605435), (30, 7098406), (35, 6084348), (42, 5070290), (60, 3549203), (70, 3042174), (84, 2535145), (105, 2028116), (140, 1521087), (210, 1014058), (420, 507029)]