204551270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{631}}^1$

素因数の和:1077

約数の個数: 64

約数和(自身を含む): 460864512

約数和(自身を除く): 256313242

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 421, 631, 770, 842, 1262, 2105, 2947, 3155, 4210, 4417, 4631, 5894, 6310, 6941, 8834, 9262, 13882, 14735, 22085, 23155, 29470, 32417, 34705, 44170, 46310, 48587, 64834, 69410, 97174, 162085, 242935, 265651, 324170, 485870, 531302, 1328255, 1859557, 2656510, 2922161, 3719114, 5844322, 9297785, 14610805, 18595570, 20455127, 29221610, 40910254, 102275635, 204551270]

約数ペア:

[(1, 204551270), (2, 102275635), (5, 40910254), (7, 29221610), (10, 20455127), (11, 18595570), (14, 14610805), (22, 9297785), (35, 5844322), (55, 3719114), (70, 2922161), (77, 2656510), (110, 1859557), (154, 1328255), (385, 531302), (421, 485870), (631, 324170), (770, 265651), (842, 242935), (1262, 162085), (2105, 97174), (2947, 69410), (3155, 64834), (4210, 48587), (4417, 46310), (4631, 44170), (5894, 34705), (6310, 32417), (6941, 29470), (8834, 23155), (9262, 22085), (13882, 14735)]