30893590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2041

約数の個数: 64

約数和(自身を含む): 72503424

約数和(自身を除く): 41609834

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 910, 1105, 1190, 1547, 1997, 2210, 3094, 3994, 7735, 9985, 13979, 15470, 19970, 25961, 27958, 33949, 51922, 67898, 69895, 129805, 139790, 169745, 181727, 237643, 259610, 339490, 363454, 441337, 475286, 882674, 908635, 1188215, 1817270, 2206685, 2376430, 3089359, 4413370, 6178718, 15446795, 30893590]

約数ペア:

[(1, 30893590), (2, 15446795), (5, 6178718), (7, 4413370), (10, 3089359), (13, 2376430), (14, 2206685), (17, 1817270), (26, 1188215), (34, 908635), (35, 882674), (65, 475286), (70, 441337), (85, 363454), (91, 339490), (119, 259610), (130, 237643), (170, 181727), (182, 169745), (221, 139790), (238, 129805), (442, 69895), (455, 67898), (595, 51922), (910, 33949), (1105, 27958), (1190, 25961), (1547, 19970), (1997, 15470), (2210, 13979), (3094, 9985), (3994, 7735)]