209260140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{205157}}^1$

素因数の和:205186

約数の個数: 48

約数和(自身を含む): 620397792

約数和(自身を除く): 411137652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 205157, 410314, 615471, 820628, 1025785, 1230942, 2051570, 2461884, 3077355, 3487669, 4103140, 6154710, 6975338, 10463007, 12309420, 13950676, 17438345, 20926014, 34876690, 41852028, 52315035, 69753380, 104630070, 209260140]

約数ペア:

[(1, 209260140), (2, 104630070), (3, 69753380), (4, 52315035), (5, 41852028), (6, 34876690), (10, 20926014), (12, 17438345), (15, 13950676), (17, 12309420), (20, 10463007), (30, 6975338), (34, 6154710), (51, 4103140), (60, 3487669), (68, 3077355), (85, 2461884), (102, 2051570), (170, 1230942), (204, 1025785), (255, 820628), (340, 615471), (510, 410314), (1020, 205157)]