87190460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1601}}^1$

素因数の和:2006

約数の個数: 48

約数和(自身を含む): 209926080

約数和(自身を除く): 122735620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 1556, 1601, 1945, 2723, 3202, 3890, 5446, 6404, 7780, 8005, 10892, 11207, 13615, 16010, 22414, 27230, 32020, 44828, 54460, 56035, 112070, 224140, 622789, 1245578, 2491156, 3113945, 4359523, 6227890, 8719046, 12455780, 17438092, 21797615, 43595230, 87190460]

約数ペア:

[(1, 87190460), (2, 43595230), (4, 21797615), (5, 17438092), (7, 12455780), (10, 8719046), (14, 6227890), (20, 4359523), (28, 3113945), (35, 2491156), (70, 1245578), (140, 622789), (389, 224140), (778, 112070), (1556, 56035), (1601, 54460), (1945, 44828), (2723, 32020), (3202, 27230), (3890, 22414), (5446, 16010), (6404, 13615), (7780, 11207), (8005, 10892)]