313905760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{40039}}^1$

素因数の和:40068

約数の個数: 72

約数和(自身を含む): 862701840

約数和(自身を除く): 548796080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 40039, 80078, 160156, 200195, 280273, 320312, 400390, 560546, 640624, 800780, 1121092, 1281248, 1401365, 1601560, 1961911, 2242184, 2802730, 3203120, 3923822, 4484368, 5605460, 6406240, 7847644, 8968736, 9809555, 11210920, 15695288, 19619110, 22421840, 31390576, 39238220, 44843680, 62781152, 78476440, 156952880, 313905760]

約数ペア:

[(1, 313905760), (2, 156952880), (4, 78476440), (5, 62781152), (7, 44843680), (8, 39238220), (10, 31390576), (14, 22421840), (16, 19619110), (20, 15695288), (28, 11210920), (32, 9809555), (35, 8968736), (40, 7847644), (49, 6406240), (56, 5605460), (70, 4484368), (80, 3923822), (98, 3203120), (112, 2802730), (140, 2242184), (160, 1961911), (196, 1601560), (224, 1401365), (245, 1281248), (280, 1121092), (392, 800780), (490, 640624), (560, 560546), (784, 400390), (980, 320312), (1120, 280273), (1568, 200195), (1960, 160156), (3920, 80078), (7840, 40039)]