972020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 2395008

約数和(自身を除く): 1422988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 131, 140, 212, 262, 265, 371, 524, 530, 655, 742, 917, 1060, 1310, 1484, 1834, 1855, 2620, 3668, 3710, 4585, 6943, 7420, 9170, 13886, 18340, 27772, 34715, 48601, 69430, 97202, 138860, 194404, 243005, 486010, 972020]

約数ペア:

[(1, 972020), (2, 486010), (4, 243005), (5, 194404), (7, 138860), (10, 97202), (14, 69430), (20, 48601), (28, 34715), (35, 27772), (53, 18340), (70, 13886), (106, 9170), (131, 7420), (140, 6943), (212, 4585), (262, 3710), (265, 3668), (371, 2620), (524, 1855), (530, 1834), (655, 1484), (742, 1310), (917, 1060)]