201412240

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 480884400

約数和(自身を除く): 279472160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 149, 244, 277, 298, 305, 488, 554, 596, 610, 745, 976, 1108, 1192, 1220, 1385, 1490, 2216, 2384, 2440, 2770, 2980, 4432, 4880, 5540, 5960, 9089, 11080, 11920, 16897, 18178, 22160, 33794, 36356, 41273, 45445, 67588, 72712, 82546, 84485, 90890, 135176, 145424, 165092, 168970, 181780, 206365, 270352, 330184, 337940, 363560, 412730, 660368, 675880, 727120, 825460, 1351760, 1650920, 2517653, 3301840, 5035306, 10070612, 12588265, 20141224, 25176530, 40282448, 50353060, 100706120, 201412240]

約数ペア:

[(1, 201412240), (2, 100706120), (4, 50353060), (5, 40282448), (8, 25176530), (10, 20141224), (16, 12588265), (20, 10070612), (40, 5035306), (61, 3301840), (80, 2517653), (122, 1650920), (149, 1351760), (244, 825460), (277, 727120), (298, 675880), (305, 660368), (488, 412730), (554, 363560), (596, 337940), (610, 330184), (745, 270352), (976, 206365), (1108, 181780), (1192, 168970), (1220, 165092), (1385, 145424), (1490, 135176), (2216, 90890), (2384, 84485), (2440, 82546), (2770, 72712), (2980, 67588), (4432, 45445), (4880, 41273), (5540, 36356), (5960, 33794), (9089, 22160), (11080, 18178), (11920, 16897)]