121972970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{313}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 265870080

約数和(自身を除く): 143897110

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 293, 313, 586, 626, 665, 1330, 1465, 1565, 2051, 2191, 2930, 3130, 4102, 4382, 5567, 5947, 10255, 10955, 11134, 11894, 20510, 21910, 27835, 29735, 38969, 41629, 55670, 59470, 77938, 83258, 91709, 183418, 194845, 208145, 389690, 416290, 458545, 641963, 917090, 1283926, 1742471, 3209815, 3484942, 6419630, 8712355, 12197297, 17424710, 24394594, 60986485, 121972970]

約数ペア:

[(1, 121972970), (2, 60986485), (5, 24394594), (7, 17424710), (10, 12197297), (14, 8712355), (19, 6419630), (35, 3484942), (38, 3209815), (70, 1742471), (95, 1283926), (133, 917090), (190, 641963), (266, 458545), (293, 416290), (313, 389690), (586, 208145), (626, 194845), (665, 183418), (1330, 91709), (1465, 83258), (1565, 77938), (2051, 59470), (2191, 55670), (2930, 41629), (3130, 38969), (4102, 29735), (4382, 27835), (5567, 21910), (5947, 20510), (10255, 11894), (10955, 11134)]