204595220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{2503}}^1$

素因数の和:2640

約数の個数: 48

約数和(自身を含む): 443388288

約数和(自身を除く): 238793068

約数列:

[1, 2, 4, 5, 10, 20, 61, 67, 122, 134, 244, 268, 305, 335, 610, 670, 1220, 1340, 2503, 4087, 5006, 8174, 10012, 12515, 16348, 20435, 25030, 40870, 50060, 81740, 152683, 167701, 305366, 335402, 610732, 670804, 763415, 838505, 1526830, 1677010, 3053660, 3354020, 10229761, 20459522, 40919044, 51148805, 102297610, 204595220]

約数ペア:

[(1, 204595220), (2, 102297610), (4, 51148805), (5, 40919044), (10, 20459522), (20, 10229761), (61, 3354020), (67, 3053660), (122, 1677010), (134, 1526830), (244, 838505), (268, 763415), (305, 670804), (335, 610732), (610, 335402), (670, 305366), (1220, 167701), (1340, 152683), (2503, 81740), (4087, 50060), (5006, 40870), (8174, 25030), (10012, 20435), (12515, 16348)]