681026690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83357}}^1$

素因数の和:83426

約数の個数: 32

約数和(自身を含む): 1320390720

約数和(自身を除く): 639364030

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 83357, 166714, 416785, 833570, 1583783, 3167566, 3584351, 7168702, 7918915, 15837830, 17921755, 35843510, 68102669, 136205338, 340513345, 681026690]

約数ペア:

[(1, 681026690), (2, 340513345), (5, 136205338), (10, 68102669), (19, 35843510), (38, 17921755), (43, 15837830), (86, 7918915), (95, 7168702), (190, 3584351), (215, 3167566), (430, 1583783), (817, 833570), (1634, 416785), (4085, 166714), (8170, 83357)]