54144020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{55249}}^1$

素因数の和:55272

約数の個数: 36

約数和(自身を含む): 132268500

約数和(自身を除く): 78124480

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 55249, 110498, 220996, 276245, 386743, 552490, 773486, 1104980, 1546972, 1933715, 2707201, 3867430, 5414402, 7734860, 10828804, 13536005, 27072010, 54144020]

約数ペア:

[(1, 54144020), (2, 27072010), (4, 13536005), (5, 10828804), (7, 7734860), (10, 5414402), (14, 3867430), (20, 2707201), (28, 1933715), (35, 1546972), (49, 1104980), (70, 773486), (98, 552490), (140, 386743), (196, 276245), (245, 220996), (490, 110498), (980, 55249)]