71770940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{251}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 165935952

約数和(自身を除く): 94165012

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 251, 290, 340, 493, 502, 580, 841, 986, 1004, 1255, 1682, 1972, 2465, 2510, 3364, 4205, 4267, 4930, 5020, 7279, 8410, 8534, 9860, 14297, 14558, 16820, 17068, 21335, 28594, 29116, 36395, 42670, 57188, 71485, 72790, 85340, 123743, 142970, 145580, 211091, 247486, 285940, 422182, 494972, 618715, 844364, 1055455, 1237430, 2110910, 2474860, 3588547, 4221820, 7177094, 14354188, 17942735, 35885470, 71770940]

約数ペア:

[(1, 71770940), (2, 35885470), (4, 17942735), (5, 14354188), (10, 7177094), (17, 4221820), (20, 3588547), (29, 2474860), (34, 2110910), (58, 1237430), (68, 1055455), (85, 844364), (116, 618715), (145, 494972), (170, 422182), (251, 285940), (290, 247486), (340, 211091), (493, 145580), (502, 142970), (580, 123743), (841, 85340), (986, 72790), (1004, 71485), (1255, 57188), (1682, 42670), (1972, 36395), (2465, 29116), (2510, 28594), (3364, 21335), (4205, 17068), (4267, 16820), (4930, 14558), (5020, 14297), (7279, 9860), (8410, 8534)]