84549640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4253}}^1$

素因数の和:4342

約数の個数: 64

約数和(自身を含む): 220527360

約数和(自身を除く): 135977720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4253, 4970, 8506, 9940, 17012, 19880, 21265, 29771, 34024, 42530, 59542, 85060, 119084, 148855, 170120, 238168, 297710, 301963, 595420, 603926, 1190840, 1207852, 1509815, 2113741, 2415704, 3019630, 4227482, 6039260, 8454964, 10568705, 12078520, 16909928, 21137410, 42274820, 84549640]

約数ペア:

[(1, 84549640), (2, 42274820), (4, 21137410), (5, 16909928), (7, 12078520), (8, 10568705), (10, 8454964), (14, 6039260), (20, 4227482), (28, 3019630), (35, 2415704), (40, 2113741), (56, 1509815), (70, 1207852), (71, 1190840), (140, 603926), (142, 595420), (280, 301963), (284, 297710), (355, 238168), (497, 170120), (568, 148855), (710, 119084), (994, 85060), (1420, 59542), (1988, 42530), (2485, 34024), (2840, 29771), (3976, 21265), (4253, 19880), (4970, 17012), (8506, 9940)]