2179890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 5787288

約数和(自身を除く): 3607398

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 457, 477, 530, 795, 914, 954, 1371, 1590, 2285, 2385, 2742, 4113, 4570, 4770, 6855, 8226, 13710, 20565, 24221, 41130, 48442, 72663, 121105, 145326, 217989, 242210, 363315, 435978, 726630, 1089945, 2179890]

約数ペア:

[(1, 2179890), (2, 1089945), (3, 726630), (5, 435978), (6, 363315), (9, 242210), (10, 217989), (15, 145326), (18, 121105), (30, 72663), (45, 48442), (53, 41130), (90, 24221), (106, 20565), (159, 13710), (265, 8226), (318, 6855), (457, 4770), (477, 4570), (530, 4113), (795, 2742), (914, 2385), (954, 2285), (1371, 1590)]