408021180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{971479}}^1$

素因数の和:971498

約数の個数: 48

約数和(自身を含む): 1305669120

約数和(自身を除く): 897647940

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, 971479, 1942958, 2914437, 3885916, 4857395, 5828874, 6800353, 9714790, 11657748, 13600706, 14572185, 19429580, 20401059, 27201412, 29144370, 34001765, 40802118, 58288740, 68003530, 81604236, 102005295, 136007060, 204010590, 408021180]

約数ペア:

[(1, 408021180), (2, 204010590), (3, 136007060), (4, 102005295), (5, 81604236), (6, 68003530), (7, 58288740), (10, 40802118), (12, 34001765), (14, 29144370), (15, 27201412), (20, 20401059), (21, 19429580), (28, 14572185), (30, 13600706), (35, 11657748), (42, 9714790), (60, 6800353), (70, 5828874), (84, 4857395), (105, 3885916), (140, 2914437), (210, 1942958), (420, 971479)]