857698900

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{293}}^1\times {\mathrm{401}}^1$

素因数の和:781

約数の個数: 72

約数和(自身を含む): 1897862904

約数和(自身を除く): 1040164004

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 146, 292, 293, 365, 401, 586, 730, 802, 1172, 1460, 1465, 1604, 1825, 2005, 2930, 3650, 4010, 5860, 7300, 7325, 8020, 10025, 14650, 20050, 21389, 29273, 29300, 40100, 42778, 58546, 85556, 106945, 117092, 117493, 146365, 213890, 234986, 292730, 427780, 469972, 534725, 585460, 587465, 731825, 1069450, 1174930, 1463650, 2138900, 2349860, 2927300, 2937325, 5874650, 8576989, 11749300, 17153978, 34307956, 42884945, 85769890, 171539780, 214424725, 428849450, 857698900]

約数ペア:

[(1, 857698900), (2, 428849450), (4, 214424725), (5, 171539780), (10, 85769890), (20, 42884945), (25, 34307956), (50, 17153978), (73, 11749300), (100, 8576989), (146, 5874650), (292, 2937325), (293, 2927300), (365, 2349860), (401, 2138900), (586, 1463650), (730, 1174930), (802, 1069450), (1172, 731825), (1460, 587465), (1465, 585460), (1604, 534725), (1825, 469972), (2005, 427780), (2930, 292730), (3650, 234986), (4010, 213890), (5860, 146365), (7300, 117493), (7325, 117092), (8020, 106945), (10025, 85556), (14650, 58546), (20050, 42778), (21389, 40100), (29273, 29300)]