490339916

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:867

約数の個数: 72

約数和(自身を含む): 1008161280

約数和(自身を除く): 517821364

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 71, 76, 121, 142, 209, 242, 284, 418, 484, 751, 781, 836, 1349, 1502, 1562, 2299, 2698, 3004, 3124, 4598, 5396, 8261, 8591, 9196, 14269, 14839, 16522, 17182, 28538, 29678, 33044, 34364, 53321, 57076, 59356, 90871, 106642, 156959, 163229, 181742, 213284, 313918, 326458, 363484, 586531, 627836, 652916, 1013099, 1173062, 1726549, 2026198, 2346124, 3453098, 4052396, 6451841, 6906196, 11144089, 12903682, 22288178, 25807364, 44576356, 122584979, 245169958, 490339916]

約数ペア:

[(1, 490339916), (2, 245169958), (4, 122584979), (11, 44576356), (19, 25807364), (22, 22288178), (38, 12903682), (44, 11144089), (71, 6906196), (76, 6451841), (121, 4052396), (142, 3453098), (209, 2346124), (242, 2026198), (284, 1726549), (418, 1173062), (484, 1013099), (751, 652916), (781, 627836), (836, 586531), (1349, 363484), (1502, 326458), (1562, 313918), (2299, 213284), (2698, 181742), (3004, 163229), (3124, 156959), (4598, 106642), (5396, 90871), (8261, 59356), (8591, 57076), (9196, 53321), (14269, 34364), (14839, 33044), (16522, 29678), (17182, 28538)]