2078561240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{390707}}^1$

素因数の和:390744

約数の個数: 64

約数和(自身を含む): 5626195200

約数和(自身を除く): 3547633960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 390707, 781414, 1562828, 1953535, 2734949, 3125656, 3907070, 5469898, 7423433, 7814140, 10939796, 13674745, 14846866, 15628280, 21879592, 27349490, 29693732, 37117165, 51964031, 54698980, 59387464, 74234330, 103928062, 109397960, 148468660, 207856124, 259820155, 296937320, 415712248, 519640310, 1039280620, 2078561240]

約数ペア:

[(1, 2078561240), (2, 1039280620), (4, 519640310), (5, 415712248), (7, 296937320), (8, 259820155), (10, 207856124), (14, 148468660), (19, 109397960), (20, 103928062), (28, 74234330), (35, 59387464), (38, 54698980), (40, 51964031), (56, 37117165), (70, 29693732), (76, 27349490), (95, 21879592), (133, 15628280), (140, 14846866), (152, 13674745), (190, 10939796), (266, 7814140), (280, 7423433), (380, 5469898), (532, 3907070), (665, 3125656), (760, 2734949), (1064, 1953535), (1330, 1562828), (2660, 781414), (5320, 390707)]