28925996820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68871421}}^1$

素因数の和:68871440

約数の個数: 48

約数和(自身を含む): 92563191168

約数和(自身を除く): 63637194348

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, 68871421, 137742842, 206614263, 275485684, 344357105, 413228526, 482099947, 688714210, 826457052, 964199894, 1033071315, 1377428420, 1446299841, 1928399788, 2066142630, 2410499735, 2892599682, 4132285260, 4820999470, 5785199364, 7231499205, 9641998940, 14462998410, 28925996820]

約数ペア:

[(1, 28925996820), (2, 14462998410), (3, 9641998940), (4, 7231499205), (5, 5785199364), (6, 4820999470), (7, 4132285260), (10, 2892599682), (12, 2410499735), (14, 2066142630), (15, 1928399788), (20, 1446299841), (21, 1377428420), (28, 1033071315), (30, 964199894), (35, 826457052), (42, 688714210), (60, 482099947), (70, 413228526), (84, 344357105), (105, 275485684), (140, 206614263), (210, 137742842), (420, 68871421)]