28459970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1607}}^1$

素因数の和:1655

約数の個数: 64

約数和(自身を含む): 66686976

約数和(自身を除く): 38227006

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 55, 70, 77, 110, 115, 154, 161, 230, 253, 322, 385, 506, 770, 805, 1265, 1607, 1610, 1771, 2530, 3214, 3542, 8035, 8855, 11249, 16070, 17677, 17710, 22498, 35354, 36961, 56245, 73922, 88385, 112490, 123739, 176770, 184805, 247478, 258727, 369610, 406571, 517454, 618695, 813142, 1237390, 1293635, 2032855, 2587270, 2845997, 4065710, 5691994, 14229985, 28459970]

約数ペア:

[(1, 28459970), (2, 14229985), (5, 5691994), (7, 4065710), (10, 2845997), (11, 2587270), (14, 2032855), (22, 1293635), (23, 1237390), (35, 813142), (46, 618695), (55, 517454), (70, 406571), (77, 369610), (110, 258727), (115, 247478), (154, 184805), (161, 176770), (230, 123739), (253, 112490), (322, 88385), (385, 73922), (506, 56245), (770, 36961), (805, 35354), (1265, 22498), (1607, 17710), (1610, 17677), (1771, 16070), (2530, 11249), (3214, 8855), (3542, 8035)]