123984420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{295201}}^1$

素因数の和:295220

約数の個数: 48

約数和(自身を含む): 396751488

約数和(自身を除く): 272767068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 295201, 590402, 885603, 1180804, 1476005, 1771206, 2066407, 2952010, 3542412, 4132814, 4428015, 5904020, 6199221, 8265628, 8856030, 10332035, 12398442, 17712060, 20664070, 24796884, 30996105, 41328140, 61992210, 123984420]

約数ペア:

[(1, 123984420), (2, 61992210), (3, 41328140), (4, 30996105), (5, 24796884), (6, 20664070), (7, 17712060), (10, 12398442), (12, 10332035), (14, 8856030), (15, 8265628), (20, 6199221), (21, 5904020), (28, 4428015), (30, 4132814), (35, 3542412), (42, 2952010), (60, 2066407), (70, 1771206), (84, 1476005), (105, 1180804), (140, 885603), (210, 590402), (420, 295201)]