311920840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101273}}^1$

素因数の和:101302

約数の個数: 64

約数和(自身を含む): 875007360

約数和(自身を除く): 563086520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 101273, 202546, 405092, 506365, 708911, 810184, 1012730, 1114003, 1417822, 2025460, 2228006, 2835644, 3544555, 4050920, 4456012, 5570015, 5671288, 7089110, 7798021, 8912024, 11140030, 14178220, 15596042, 22280060, 28356440, 31192084, 38990105, 44560120, 62384168, 77980210, 155960420, 311920840]

約数ペア:

[(1, 311920840), (2, 155960420), (4, 77980210), (5, 62384168), (7, 44560120), (8, 38990105), (10, 31192084), (11, 28356440), (14, 22280060), (20, 15596042), (22, 14178220), (28, 11140030), (35, 8912024), (40, 7798021), (44, 7089110), (55, 5671288), (56, 5570015), (70, 4456012), (77, 4050920), (88, 3544555), (110, 2835644), (140, 2228006), (154, 2025460), (220, 1417822), (280, 1114003), (308, 1012730), (385, 810184), (440, 708911), (616, 506365), (770, 405092), (1540, 202546), (3080, 101273)]