243142340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:549

約数の個数: 96

約数和(自身を含む): 602961408

約数和(自身を除く): 359819068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 71, 122, 140, 142, 244, 284, 305, 355, 401, 427, 497, 610, 710, 802, 854, 994, 1220, 1420, 1604, 1708, 1988, 2005, 2135, 2485, 2807, 4010, 4270, 4331, 4970, 5614, 8020, 8540, 8662, 9940, 11228, 14035, 17324, 21655, 24461, 28070, 28471, 30317, 43310, 48922, 56140, 56942, 60634, 86620, 97844, 113884, 121268, 122305, 142355, 151585, 171227, 199297, 244610, 284710, 303170, 342454, 398594, 489220, 569420, 606340, 684908, 797188, 856135, 996485, 1712270, 1736731, 1992970, 3424540, 3473462, 3985940, 6946924, 8683655, 12157117, 17367310, 24314234, 34734620, 48628468, 60785585, 121571170, 243142340]

約数ペア:

[(1, 243142340), (2, 121571170), (4, 60785585), (5, 48628468), (7, 34734620), (10, 24314234), (14, 17367310), (20, 12157117), (28, 8683655), (35, 6946924), (61, 3985940), (70, 3473462), (71, 3424540), (122, 1992970), (140, 1736731), (142, 1712270), (244, 996485), (284, 856135), (305, 797188), (355, 684908), (401, 606340), (427, 569420), (497, 489220), (610, 398594), (710, 342454), (802, 303170), (854, 284710), (994, 244610), (1220, 199297), (1420, 171227), (1604, 151585), (1708, 142355), (1988, 122305), (2005, 121268), (2135, 113884), (2485, 97844), (2807, 86620), (4010, 60634), (4270, 56942), (4331, 56140), (4970, 48922), (5614, 43310), (8020, 30317), (8540, 28471), (8662, 28070), (9940, 24461), (11228, 21655), (14035, 17324)]