378980000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{2707}}^1$

素因数の和:2744

約数の個数: 120

約数和(自身を含む): 1065933792

約数和(自身を除く): 686953792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 350, 400, 500, 560, 625, 700, 800, 875, 1000, 1120, 1250, 1400, 1750, 2000, 2500, 2707, 2800, 3500, 4000, 4375, 5000, 5414, 5600, 7000, 8750, 10000, 10828, 13535, 14000, 17500, 18949, 20000, 21656, 27070, 28000, 35000, 37898, 43312, 54140, 67675, 70000, 75796, 86624, 94745, 108280, 135350, 140000, 151592, 189490, 216560, 270700, 303184, 338375, 378980, 433120, 473725, 541400, 606368, 676750, 757960, 947450, 1082800, 1353500, 1515920, 1691875, 1894900, 2165600, 2368625, 2707000, 3031840, 3383750, 3789800, 4737250, 5414000, 6767500, 7579600, 9474500, 10828000, 11843125, 13535000, 15159200, 18949000, 23686250, 27070000, 37898000, 47372500, 54140000, 75796000, 94745000, 189490000, 378980000]

約数ペア:

[(1, 378980000), (2, 189490000), (4, 94745000), (5, 75796000), (7, 54140000), (8, 47372500), (10, 37898000), (14, 27070000), (16, 23686250), (20, 18949000), (25, 15159200), (28, 13535000), (32, 11843125), (35, 10828000), (40, 9474500), (50, 7579600), (56, 6767500), (70, 5414000), (80, 4737250), (100, 3789800), (112, 3383750), (125, 3031840), (140, 2707000), (160, 2368625), (175, 2165600), (200, 1894900), (224, 1691875), (250, 1515920), (280, 1353500), (350, 1082800), (400, 947450), (500, 757960), (560, 676750), (625, 606368), (700, 541400), (800, 473725), (875, 433120), (1000, 378980), (1120, 338375), (1250, 303184), (1400, 270700), (1750, 216560), (2000, 189490), (2500, 151592), (2707, 140000), (2800, 135350), (3500, 108280), (4000, 94745), (4375, 86624), (5000, 75796), (5414, 70000), (5600, 67675), (7000, 54140), (8750, 43312), (10000, 37898), (10828, 35000), (13535, 28000), (14000, 27070), (17500, 21656), (18949, 20000)]