1565208340

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{601}}^1\times {\mathrm{661}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 3314125584

約数和(自身を除く): 1748917244

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 601, 661, 788, 985, 1202, 1322, 1970, 2404, 2644, 3005, 3305, 3940, 6010, 6610, 12020, 13220, 118397, 130217, 236794, 260434, 397261, 473588, 520868, 591985, 651085, 794522, 1183970, 1302170, 1589044, 1986305, 2367940, 2604340, 3972610, 7945220, 78260417, 156520834, 313041668, 391302085, 782604170, 1565208340]

約数ペア:

[(1, 1565208340), (2, 782604170), (4, 391302085), (5, 313041668), (10, 156520834), (20, 78260417), (197, 7945220), (394, 3972610), (601, 2604340), (661, 2367940), (788, 1986305), (985, 1589044), (1202, 1302170), (1322, 1183970), (1970, 794522), (2404, 651085), (2644, 591985), (3005, 520868), (3305, 473588), (3940, 397261), (6010, 260434), (6610, 236794), (12020, 130217), (13220, 118397)]