420385.0000000

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1447}}^1$

素因数の和:1539

約数の個数: 32

約数和(自身を含む): 13900800

約数和(自身を除く): 7499272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 1447, 2212, 2894, 4424, 5788, 10129, 11576, 20258, 40516, 81032, 114313, 228626, 457252, 800191, 914504, 1600382, 3200764, 6401528]

約数ペア:

[(1, 6401528), (2, 3200764), (4, 1600382), (7, 914504), (8, 800191), (14, 457252), (28, 228626), (56, 114313), (79, 81032), (158, 40516), (316, 20258), (553, 11576), (632, 10129), (1106, 5788), (1447, 4424), (2212, 2894)]