140748580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7559}}^1$

素因数の和:7601

約数の個数: 72

約数和(自身を含む): 361972800

約数和(自身を除く): 221224220

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, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 7559, 9310, 15118, 18620, 30236, 37795, 52913, 75590, 105826, 143621, 151180, 211652, 264565, 287242, 370391, 529130, 574484, 718105, 740782, 1005347, 1058260, 1436210, 1481564, 1851955, 2010694, 2872420, 3703910, 4021388, 5026735, 7037429, 7407820, 10053470, 14074858, 20106940, 28149716, 35187145, 70374290, 140748580]

約数ペア:

[(1, 140748580), (2, 70374290), (4, 35187145), (5, 28149716), (7, 20106940), (10, 14074858), (14, 10053470), (19, 7407820), (20, 7037429), (28, 5026735), (35, 4021388), (38, 3703910), (49, 2872420), (70, 2010694), (76, 1851955), (95, 1481564), (98, 1436210), (133, 1058260), (140, 1005347), (190, 740782), (196, 718105), (245, 574484), (266, 529130), (380, 370391), (490, 287242), (532, 264565), (665, 211652), (931, 151180), (980, 143621), (1330, 105826), (1862, 75590), (2660, 52913), (3724, 37795), (4655, 30236), (7559, 18620), (9310, 15118)]