1391019700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{739}}^1\times {\mathrm{2689}}^1$

素因数の和:3449

約数の個数: 72

約数和(自身を含む): 3455681600

約数和(自身を除く): 2064661900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 739, 1478, 2689, 2956, 3695, 5173, 5378, 7390, 10346, 10756, 13445, 14780, 18475, 18823, 20692, 25865, 26890, 36950, 37646, 51730, 53780, 67225, 73900, 75292, 94115, 103460, 129325, 134450, 188230, 258650, 268900, 376460, 470575, 517300, 941150, 1882300, 1987171, 3974342, 7948684, 9935855, 13910197, 19871710, 27820394, 39743420, 49679275, 55640788, 69550985, 99358550, 139101970, 198717100, 278203940, 347754925, 695509850, 1391019700]

約数ペア:

[(1, 1391019700), (2, 695509850), (4, 347754925), (5, 278203940), (7, 198717100), (10, 139101970), (14, 99358550), (20, 69550985), (25, 55640788), (28, 49679275), (35, 39743420), (50, 27820394), (70, 19871710), (100, 13910197), (140, 9935855), (175, 7948684), (350, 3974342), (700, 1987171), (739, 1882300), (1478, 941150), (2689, 517300), (2956, 470575), (3695, 376460), (5173, 268900), (5378, 258650), (7390, 188230), (10346, 134450), (10756, 129325), (13445, 103460), (14780, 94115), (18475, 75292), (18823, 73900), (20692, 67225), (25865, 53780), (26890, 51730), (36950, 37646)]