279625120

素因数分解:

$2^5\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4273}}^1$

素因数の和:4697

約数の個数: 48

約数和(自身を含む): 662384520

約数和(自身を除く): 382759400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 409, 818, 1636, 2045, 3272, 4090, 4273, 6544, 8180, 8546, 13088, 16360, 17092, 21365, 32720, 34184, 42730, 65440, 68368, 85460, 136736, 170920, 341840, 683680, 1747657, 3495314, 6990628, 8738285, 13981256, 17476570, 27962512, 34953140, 55925024, 69906280, 139812560, 279625120]

約数ペア:

[(1, 279625120), (2, 139812560), (4, 69906280), (5, 55925024), (8, 34953140), (10, 27962512), (16, 17476570), (20, 13981256), (32, 8738285), (40, 6990628), (80, 3495314), (160, 1747657), (409, 683680), (818, 341840), (1636, 170920), (2045, 136736), (3272, 85460), (4090, 68368), (4273, 65440), (6544, 42730), (8180, 34184), (8546, 32720), (13088, 21365), (16360, 17092)]