214660220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{701}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 460658016

約数和(自身を除く): 245997796

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 251, 305, 502, 610, 701, 1004, 1220, 1255, 1402, 2510, 2804, 3505, 5020, 7010, 14020, 15311, 30622, 42761, 61244, 76555, 85522, 153110, 171044, 175951, 213805, 306220, 351902, 427610, 703804, 855220, 879755, 1759510, 3519020, 10733011, 21466022, 42932044, 53665055, 107330110, 214660220]

約数ペア:

[(1, 214660220), (2, 107330110), (4, 53665055), (5, 42932044), (10, 21466022), (20, 10733011), (61, 3519020), (122, 1759510), (244, 879755), (251, 855220), (305, 703804), (502, 427610), (610, 351902), (701, 306220), (1004, 213805), (1220, 175951), (1255, 171044), (1402, 153110), (2510, 85522), (2804, 76555), (3505, 61244), (5020, 42761), (7010, 30622), (14020, 15311)]