28300250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 59439744

約数和(自身を除く): 31139494

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 82, 110, 125, 205, 250, 251, 275, 410, 451, 502, 550, 902, 1025, 1255, 1375, 2050, 2255, 2510, 2750, 2761, 4510, 5125, 5522, 6275, 10250, 10291, 11275, 12550, 13805, 20582, 22550, 27610, 31375, 51455, 56375, 62750, 69025, 102910, 112750, 113201, 138050, 226402, 257275, 345125, 514550, 566005, 690250, 1132010, 1286375, 2572750, 2830025, 5660050, 14150125, 28300250]

約数ペア:

[(1, 28300250), (2, 14150125), (5, 5660050), (10, 2830025), (11, 2572750), (22, 1286375), (25, 1132010), (41, 690250), (50, 566005), (55, 514550), (82, 345125), (110, 257275), (125, 226402), (205, 138050), (250, 113201), (251, 112750), (275, 102910), (410, 69025), (451, 62750), (502, 56375), (550, 51455), (902, 31375), (1025, 27610), (1255, 22550), (1375, 20582), (2050, 13805), (2255, 12550), (2510, 11275), (2750, 10291), (2761, 10250), (4510, 6275), (5125, 5522)]