84349420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 181149696

約数和(自身を除く): 96800276

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 191, 284, 311, 355, 382, 622, 710, 764, 955, 1244, 1420, 1555, 1910, 3110, 3820, 6220, 13561, 22081, 27122, 44162, 54244, 59401, 67805, 88324, 110405, 118802, 135610, 220810, 237604, 271220, 297005, 441620, 594010, 1188020, 4217471, 8434942, 16869884, 21087355, 42174710, 84349420]

約数ペア:

[(1, 84349420), (2, 42174710), (4, 21087355), (5, 16869884), (10, 8434942), (20, 4217471), (71, 1188020), (142, 594010), (191, 441620), (284, 297005), (311, 271220), (355, 237604), (382, 220810), (622, 135610), (710, 118802), (764, 110405), (955, 88324), (1244, 67805), (1420, 59401), (1555, 54244), (1910, 44162), (3110, 27122), (3820, 22081), (6220, 13561)]