139005440

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{7757}}^1$

素因数の和:7787

約数の個数: 80

約数和(自身を含む): 380948832

約数和(自身を除く): 241943392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 7757, 8960, 15514, 17920, 31028, 38785, 54299, 62056, 77570, 108598, 124112, 155140, 217196, 248224, 271495, 310280, 434392, 496448, 542990, 620560, 868784, 992896, 1085980, 1241120, 1737568, 1985792, 2171960, 2482240, 3475136, 3971584, 4343920, 4964480, 6950272, 8687840, 9928960, 13900544, 17375680, 19857920, 27801088, 34751360, 69502720, 139005440]

約数ペア:

[(1, 139005440), (2, 69502720), (4, 34751360), (5, 27801088), (7, 19857920), (8, 17375680), (10, 13900544), (14, 9928960), (16, 8687840), (20, 6950272), (28, 4964480), (32, 4343920), (35, 3971584), (40, 3475136), (56, 2482240), (64, 2171960), (70, 1985792), (80, 1737568), (112, 1241120), (128, 1085980), (140, 992896), (160, 868784), (224, 620560), (256, 542990), (280, 496448), (320, 434392), (448, 310280), (512, 271495), (560, 248224), (640, 217196), (896, 155140), (1120, 124112), (1280, 108598), (1792, 77570), (2240, 62056), (2560, 54299), (3584, 38785), (4480, 31028), (7757, 17920), (8960, 15514)]