340947100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1609}}^1$

素因数の和:1799

約数の個数: 72

約数和(自身を含む): 802153520

約数和(自身を除く): 461206420

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 163, 260, 325, 326, 650, 652, 815, 1300, 1609, 1630, 2119, 3218, 3260, 4075, 4238, 6436, 8045, 8150, 8476, 10595, 16090, 16300, 20917, 21190, 32180, 40225, 41834, 42380, 52975, 80450, 83668, 104585, 105950, 160900, 209170, 211900, 262267, 418340, 522925, 524534, 1045850, 1049068, 1311335, 2091700, 2622670, 3409471, 5245340, 6556675, 6818942, 13113350, 13637884, 17047355, 26226700, 34094710, 68189420, 85236775, 170473550, 340947100]

約数ペア:

[(1, 340947100), (2, 170473550), (4, 85236775), (5, 68189420), (10, 34094710), (13, 26226700), (20, 17047355), (25, 13637884), (26, 13113350), (50, 6818942), (52, 6556675), (65, 5245340), (100, 3409471), (130, 2622670), (163, 2091700), (260, 1311335), (325, 1049068), (326, 1045850), (650, 524534), (652, 522925), (815, 418340), (1300, 262267), (1609, 211900), (1630, 209170), (2119, 160900), (3218, 105950), (3260, 104585), (4075, 83668), (4238, 80450), (6436, 52975), (8045, 42380), (8150, 41834), (8476, 40225), (10595, 32180), (16090, 21190), (16300, 20917)]