1909880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 5184000

約数和(自身を除く): 3274120

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, 359, 380, 532, 665, 718, 760, 1064, 1330, 1436, 1795, 2513, 2660, 2872, 3590, 5026, 5320, 6821, 7180, 10052, 12565, 13642, 14360, 20104, 25130, 27284, 34105, 47747, 50260, 54568, 68210, 95494, 100520, 136420, 190988, 238735, 272840, 381976, 477470, 954940, 1909880]

約数ペア:

[(1, 1909880), (2, 954940), (4, 477470), (5, 381976), (7, 272840), (8, 238735), (10, 190988), (14, 136420), (19, 100520), (20, 95494), (28, 68210), (35, 54568), (38, 50260), (40, 47747), (56, 34105), (70, 27284), (76, 25130), (95, 20104), (133, 14360), (140, 13642), (152, 12565), (190, 10052), (266, 7180), (280, 6821), (359, 5320), (380, 5026), (532, 3590), (665, 2872), (718, 2660), (760, 2513), (1064, 1795), (1330, 1436)]