1998630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 5307120

約数和(自身を除く): 3308490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 419, 477, 530, 795, 838, 954, 1257, 1590, 2095, 2385, 2514, 3771, 4190, 4770, 6285, 7542, 12570, 18855, 22207, 37710, 44414, 66621, 111035, 133242, 199863, 222070, 333105, 399726, 666210, 999315, 1998630]

約数ペア:

[(1, 1998630), (2, 999315), (3, 666210), (5, 399726), (6, 333105), (9, 222070), (10, 199863), (15, 133242), (18, 111035), (30, 66621), (45, 44414), (53, 37710), (90, 22207), (106, 18855), (159, 12570), (265, 7542), (318, 6285), (419, 4770), (477, 4190), (530, 3771), (795, 2514), (838, 2385), (954, 2095), (1257, 1590)]