139012020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{15761}}^1$

素因数の和:15790

約数の個数: 108

約数和(自身を含む): 490544964

約数和(自身を除く): 351532944

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 15761, 31522, 47283, 63044, 78805, 94566, 110327, 141849, 157610, 189132, 220654, 236415, 283698, 315220, 330981, 441308, 472830, 551635, 567396, 661962, 709245, 772289, 945660, 992943, 1103270, 1323924, 1418490, 1544578, 1654905, 1985886, 2206540, 2316867, 2836980, 3089156, 3309810, 3861445, 3971772, 4633734, 4964715, 6619620, 6950601, 7722890, 9267468, 9929430, 11584335, 13901202, 15445780, 19858860, 23168670, 27802404, 34753005, 46337340, 69506010, 139012020]

約数ペア:

[(1, 139012020), (2, 69506010), (3, 46337340), (4, 34753005), (5, 27802404), (6, 23168670), (7, 19858860), (9, 15445780), (10, 13901202), (12, 11584335), (14, 9929430), (15, 9267468), (18, 7722890), (20, 6950601), (21, 6619620), (28, 4964715), (30, 4633734), (35, 3971772), (36, 3861445), (42, 3309810), (45, 3089156), (49, 2836980), (60, 2316867), (63, 2206540), (70, 1985886), (84, 1654905), (90, 1544578), (98, 1418490), (105, 1323924), (126, 1103270), (140, 992943), (147, 945660), (180, 772289), (196, 709245), (210, 661962), (245, 567396), (252, 551635), (294, 472830), (315, 441308), (420, 330981), (441, 315220), (490, 283698), (588, 236415), (630, 220654), (735, 189132), (882, 157610), (980, 141849), (1260, 110327), (1470, 94566), (1764, 78805), (2205, 63044), (2940, 47283), (4410, 31522), (8820, 15761)]