7427290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 15805440

約数和(自身を除く): 8378150

約数列:

[1, 2, 5, 10, 13, 19, 26, 31, 38, 62, 65, 95, 97, 130, 155, 190, 194, 247, 310, 403, 485, 494, 589, 806, 970, 1178, 1235, 1261, 1843, 2015, 2470, 2522, 2945, 3007, 3686, 4030, 5890, 6014, 6305, 7657, 9215, 12610, 15035, 15314, 18430, 23959, 30070, 38285, 39091, 47918, 57133, 76570, 78182, 114266, 119795, 195455, 239590, 285665, 390910, 571330, 742729, 1485458, 3713645, 7427290]

約数ペア:

[(1, 7427290), (2, 3713645), (5, 1485458), (10, 742729), (13, 571330), (19, 390910), (26, 285665), (31, 239590), (38, 195455), (62, 119795), (65, 114266), (95, 78182), (97, 76570), (130, 57133), (155, 47918), (190, 39091), (194, 38285), (247, 30070), (310, 23959), (403, 18430), (485, 15314), (494, 15035), (589, 12610), (806, 9215), (970, 7657), (1178, 6305), (1235, 6014), (1261, 5890), (1843, 4030), (2015, 3686), (2470, 3007), (2522, 2945)]