77889210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{881}}^1$

素因数の和:1319

約数の個数: 64

約数和(自身を含む): 214389504

約数和(自身を除く): 136500294

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 421, 842, 881, 1263, 1762, 2105, 2526, 2643, 2947, 4210, 4405, 5286, 5894, 6167, 6315, 8810, 8841, 12334, 12630, 13215, 14735, 17682, 18501, 26430, 29470, 30835, 37002, 44205, 61670, 88410, 92505, 185010, 370901, 741802, 1112703, 1854505, 2225406, 2596307, 3709010, 5192614, 5563515, 7788921, 11127030, 12981535, 15577842, 25963070, 38944605, 77889210]

約数ペア:

[(1, 77889210), (2, 38944605), (3, 25963070), (5, 15577842), (6, 12981535), (7, 11127030), (10, 7788921), (14, 5563515), (15, 5192614), (21, 3709010), (30, 2596307), (35, 2225406), (42, 1854505), (70, 1112703), (105, 741802), (210, 370901), (421, 185010), (842, 92505), (881, 88410), (1263, 61670), (1762, 44205), (2105, 37002), (2526, 30835), (2643, 29470), (2947, 26430), (4210, 18501), (4405, 17682), (5286, 14735), (5894, 13215), (6167, 12630), (6315, 12334), (8810, 8841)]