12047140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:689

約数の個数: 72

約数和(自身を含む): 31026240

約数和(自身を除く): 18979100

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, 490, 532, 647, 665, 931, 980, 1294, 1330, 1862, 2588, 2660, 3235, 3724, 4529, 4655, 6470, 9058, 9310, 12293, 12940, 18116, 18620, 22645, 24586, 31703, 45290, 49172, 61465, 63406, 86051, 90580, 122930, 126812, 158515, 172102, 245860, 317030, 344204, 430255, 602357, 634060, 860510, 1204714, 1721020, 2409428, 3011785, 6023570, 12047140]

約数ペア:

[(1, 12047140), (2, 6023570), (4, 3011785), (5, 2409428), (7, 1721020), (10, 1204714), (14, 860510), (19, 634060), (20, 602357), (28, 430255), (35, 344204), (38, 317030), (49, 245860), (70, 172102), (76, 158515), (95, 126812), (98, 122930), (133, 90580), (140, 86051), (190, 63406), (196, 61465), (245, 49172), (266, 45290), (380, 31703), (490, 24586), (532, 22645), (647, 18620), (665, 18116), (931, 12940), (980, 12293), (1294, 9310), (1330, 9058), (1862, 6470), (2588, 4655), (2660, 4529), (3235, 3724)]