7131460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 18385920

約数和(自身を除く): 11254460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 383, 490, 532, 665, 766, 931, 980, 1330, 1532, 1862, 1915, 2660, 2681, 3724, 3830, 4655, 5362, 7277, 7660, 9310, 10724, 13405, 14554, 18620, 18767, 26810, 29108, 36385, 37534, 50939, 53620, 72770, 75068, 93835, 101878, 145540, 187670, 203756, 254695, 356573, 375340, 509390, 713146, 1018780, 1426292, 1782865, 3565730, 7131460]

約数ペア:

[(1, 7131460), (2, 3565730), (4, 1782865), (5, 1426292), (7, 1018780), (10, 713146), (14, 509390), (19, 375340), (20, 356573), (28, 254695), (35, 203756), (38, 187670), (49, 145540), (70, 101878), (76, 93835), (95, 75068), (98, 72770), (133, 53620), (140, 50939), (190, 37534), (196, 36385), (245, 29108), (266, 26810), (380, 18767), (383, 18620), (490, 14554), (532, 13405), (665, 10724), (766, 9310), (931, 7660), (980, 7277), (1330, 5362), (1532, 4655), (1862, 3830), (1915, 3724), (2660, 2681)]