138071990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 298598400

約数和(自身を除く): 160526410

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 191, 230, 322, 382, 449, 805, 898, 955, 1337, 1610, 1910, 2245, 2674, 3143, 4393, 4490, 6286, 6685, 8786, 10327, 13370, 15715, 20654, 21965, 30751, 31430, 43930, 51635, 61502, 72289, 85759, 103270, 144578, 153755, 171518, 307510, 361445, 428795, 600313, 722890, 857590, 1200626, 1972457, 3001565, 3944914, 6003130, 9862285, 13807199, 19724570, 27614398, 69035995, 138071990]

約数ペア:

[(1, 138071990), (2, 69035995), (5, 27614398), (7, 19724570), (10, 13807199), (14, 9862285), (23, 6003130), (35, 3944914), (46, 3001565), (70, 1972457), (115, 1200626), (161, 857590), (191, 722890), (230, 600313), (322, 428795), (382, 361445), (449, 307510), (805, 171518), (898, 153755), (955, 144578), (1337, 103270), (1610, 85759), (1910, 72289), (2245, 61502), (2674, 51635), (3143, 43930), (4393, 31430), (4490, 30751), (6286, 21965), (6685, 20654), (8786, 15715), (10327, 13370)]