78501570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2381}}^1$

素因数の和:2555

約数の個数: 64

約数和(自身を含む): 216781056

約数和(自身を除く): 138279486

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 157, 210, 314, 471, 785, 942, 1099, 1570, 2198, 2355, 2381, 3297, 4710, 4762, 5495, 6594, 7143, 10990, 11905, 14286, 16485, 16667, 23810, 32970, 33334, 35715, 50001, 71430, 83335, 100002, 166670, 250005, 373817, 500010, 747634, 1121451, 1869085, 2242902, 2616719, 3738170, 5233438, 5607255, 7850157, 11214510, 13083595, 15700314, 26167190, 39250785, 78501570]

約数ペア:

[(1, 78501570), (2, 39250785), (3, 26167190), (5, 15700314), (6, 13083595), (7, 11214510), (10, 7850157), (14, 5607255), (15, 5233438), (21, 3738170), (30, 2616719), (35, 2242902), (42, 1869085), (70, 1121451), (105, 747634), (157, 500010), (210, 373817), (314, 250005), (471, 166670), (785, 100002), (942, 83335), (1099, 71430), (1570, 50001), (2198, 35715), (2355, 33334), (2381, 32970), (3297, 23810), (4710, 16667), (4762, 16485), (5495, 14286), (6594, 11905), (7143, 10990)]