28473970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 62668800

約数和(自身を除く): 34194830

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 79, 95, 133, 158, 190, 266, 271, 395, 542, 553, 665, 790, 1106, 1330, 1355, 1501, 1897, 2710, 2765, 3002, 3794, 5149, 5530, 7505, 9485, 10298, 10507, 15010, 18970, 21014, 21409, 25745, 36043, 42818, 51490, 52535, 72086, 105070, 107045, 149863, 180215, 214090, 299726, 360430, 406771, 749315, 813542, 1498630, 2033855, 2847397, 4067710, 5694794, 14236985, 28473970]

約数ペア:

[(1, 28473970), (2, 14236985), (5, 5694794), (7, 4067710), (10, 2847397), (14, 2033855), (19, 1498630), (35, 813542), (38, 749315), (70, 406771), (79, 360430), (95, 299726), (133, 214090), (158, 180215), (190, 149863), (266, 107045), (271, 105070), (395, 72086), (542, 52535), (553, 51490), (665, 42818), (790, 36043), (1106, 25745), (1330, 21409), (1355, 21014), (1501, 18970), (1897, 15010), (2710, 10507), (2765, 10298), (3002, 9485), (3794, 7505), (5149, 5530)]